27 Best Community Fish For a Social Freshwater Aquarium

A community aquarium is a fascinating ecosystem where different species of fish live together in harmony, creating a mesmerizing display of colors and behaviors. Community fish are an essential component of this system, as they bring life and vitality to the aquarium, while also promoting a healthy and stable environment. Unlike aggressive or territorial fish, community fish are known for their peaceful nature, making them ideal candidates for sharing space with other fish species.

Community fish are not only visually appealing, but they also provide several benefits to the aquarium’s ecosystem. They help in maintaining the balance of the tank by consuming excess food and algae, thereby preventing the build-up of harmful waste products. They also create a sense of activity in the aquarium, which can help reduce stress and anxiety in the fish. Furthermore, observing the social interactions and behaviors of community fish can be a source of entertainment and education for aquarium enthusiasts.

Characteristics Of Community Fish

Peaceful Nature

Community fish are known for their peaceful nature, which means they can coexist with other fish species without causing harm. They are generally non-aggressive and do not exhibit territorial behavior, making them ideal for sharing space in a community aquarium. Peaceful fish can also help to promote a calmer and stress-free environment for other fish, which can help reduce the incidence of diseases and aggression.

Size Compatibility

Size compatibility is an important factor to consider when selecting community fish for an aquarium. It is essential to choose fish species that are of similar sizes to prevent larger fish from preying on smaller ones. Keeping fish of similar sizes also helps to maintain a balanced ecosystem, as larger fish consume more food and produce more waste than smaller fish. Furthermore, choosing fish of similar sizes can also help to prevent aggression and territorial behavior among the fish.

Water Parameters

Water parameters such as temperature, pH, and hardness can vary among different fish species. Therefore, it is essential to choose community fish that can thrive under similar water conditions. Keeping fish in water conditions that are not suitable for them can cause stress and illness, leading to the death of the fish. Researching the water parameters required by different fish species is crucial in ensuring the successful and healthy cohabitation of fish in a community aquarium.

Feeding Habits

Feeding habits can vary among different fish species, with some being herbivores, carnivores, or omnivores. Therefore, it is essential to choose community fish that have compatible feeding habits. Mixing fish with different feeding habits can lead to competition for food, and some fish may not get the necessary nutrients for their growth and development. Furthermore, overfeeding can lead to the accumulation of excess waste in the aquarium, which can cause water quality issues.

Swimming Level

Community fish occupy different levels of the aquarium, with some being surface dwellers, mid-level swimmers, and bottom dwellers. Choosing fish that occupy different swimming levels can help create a visually appealing aquarium and prevent competition for space. Furthermore, it can also help to distribute the waste produced by fish throughout the aquarium, preventing the accumulation of waste in one area.

Best Community Fish for a Freshwater Aquarium

1. Neon Tetra

Neon Tetra

Neon Tetra is a popular freshwater community fish known for its vibrant blue and red coloration. They are small fish, growing up to 1.5 inches in length, making them suitable for small and large aquariums. Neon Tetras are peaceful fish and can coexist with other peaceful fish species. They are social fish and do best when kept in groups of six or more.

Neon Tetras are relatively easy to care for and can adapt to a wide range of water parameters. They prefer slightly acidic water with a pH range of 6.0 to 7.0 and a temperature range of 72 to 78 degrees Fahrenheit. They are omnivores and can be fed a variety of commercial fish food, including flakes, pellets, and frozen foods.

Neon Tetras are mid-level swimmers and prefer a heavily planted aquarium with plenty of hiding spots. They are sensitive to changes in water conditions and should not be added to a newly established aquarium. They are also susceptible to diseases, and it is essential to maintain good water quality and quarantine new fish before adding them to the aquarium.

2. Guppy

Guppies are a small and colorful freshwater community fish that are popular among hobbyists. They are easy to care for and can adapt to a wide range of water conditions, making them a great choice for beginner aquarium enthusiasts. Guppies are available in a variety of colors, including red, yellow, orange, blue, and green. They are also known for their distinctive tail fins, which can be long and flowing or short and round.

Guppies are peaceful fish and can coexist with other peaceful fish species. They are social fish and do best when kept in groups of six or more. Guppies are also livebearers, which means they give birth to live young instead of laying eggs. They can breed quickly, making them a great choice for hobbyists looking to start a breeding program.

Guppies prefer slightly alkaline water with a pH range of 7.0 to 8.2 and a temperature range of 72 to 82 degrees Fahrenheit. They are omnivores and can be fed a variety of commercial fish food, including flakes, pellets, and frozen foods. Guppies are also known to enjoy small amounts of live or frozen foods such as brine shrimp or bloodworms.

Guppies are surface-dwelling fish and prefer a heavily planted aquarium with plenty of hiding spots. They are sensitive to changes in water conditions and should not be added to a newly established aquarium. Guppies are also susceptible to diseases, and it is essential to maintain good water quality and quarantine new fish before adding them to the aquarium.

3. Platies

Platy

Platies are small and colorful freshwater community fish that are similar to guppies in many ways. They are easy to care for and can adapt to a wide range of water conditions, making them a great choice for beginner aquarium enthusiasts. Platies are available in a variety of colors, including red, orange, yellow, and blue. They are also known for their distinctive tail fins, which can be long and flowing or short and round.

Platies are peaceful fish and can coexist with other peaceful fish species. They are social fish and do best when kept in groups of six or more. Platies are also livebearers, which means they give birth to live young instead of laying eggs. They can breed quickly, making them a great choice for hobbyists looking to start a breeding program.

Platies prefer slightly alkaline water with a pH range of 7.0 to 8.2 and a temperature range of 72 to 82 degrees Fahrenheit. They are omnivores and can be fed a variety of commercial fish food, including flakes, pellets, and frozen foods. Platies are also known to enjoy small amounts of live or frozen foods such as brine shrimp or bloodworms.

Platies are mid-level swimmers and prefer a heavily planted aquarium with plenty of hiding spots. They are sensitive to changes in water conditions and should not be added to a newly established aquarium. Platies are also susceptible to diseases, and it is essential to maintain good water quality and quarantine new fish before adding them to the aquarium.

4. Swordtails

Swordtail Fish

Swordtails are a popular freshwater community fish that are known for their distinctive sword-shaped tail fins. They are similar in appearance to platies and guppies and are easy to care for, making them a great choice for beginner aquarium enthusiasts. Swordtails are available in a variety of colors, including red, orange, yellow, and green.

Swordtails are peaceful fish and can coexist with other peaceful fish species. They are social fish and do best when kept in groups of six or more. Swordtails are also livebearers, which means they give birth to live young instead of laying eggs. They can breed quickly, making them a great choice for hobbyists looking to start a breeding program.

Swordtails prefer slightly alkaline water with a pH range of 7.0 to 8.2 and a temperature range of 72 to 82 degrees Fahrenheit. They are omnivores and can be fed a variety of commercial fish food, including flakes, pellets, and frozen foods. Swordtails are also known to enjoy small amounts of live or frozen foods such as brine shrimp or bloodworms.

Swordtails are mid-level swimmers and prefer a heavily planted aquarium with plenty of hiding spots. They are sensitive to changes in water conditions and should not be added to a newly established aquarium. Swordtails are also susceptible to diseases, and it is essential to maintain good water quality and quarantine new fish before adding them to the aquarium.

5. Corydoras Catfish

Corydoras Catfish

Corydoras Catfish, also known as cory cats or simply corys, are a popular freshwater community fish that are known for their unique appearance and peaceful temperament. They are bottom-dwelling fish that are often kept in groups of six or more. Cory cats are available in a variety of colors and patterns, including bronze, albino, and peppered.

Cory cats are peaceful fish and can coexist with other peaceful fish species. They are social fish and do best when kept in groups of six or more. Cory cats are also omnivores and will eat a variety of commercial fish food, including pellets, flakes, and frozen foods.

Cory cats prefer slightly acidic water with a pH range of 6.0 to 7.0 and a temperature range of 72 to 78 degrees Fahrenheit. They are also sensitive to high levels of ammonia and nitrite, making it essential to maintain good water quality in their aquarium.

Cory cats are known for their ability to sift through sand and gravel at the bottom of the aquarium to find food. They are also scavengers and will eat leftover food and debris from other fish in the aquarium. Cory cats are peaceful and make great additions to a community aquarium, but they may be preyed upon by larger fish, so it is important to choose their tank mates carefully.

6. Harlequin Rasbora

Harleyquin Rasbora

Harlequin Rasboras are a popular freshwater community fish that are known for their distinctive orange-red body and black triangle-shaped patch on their sides. They are peaceful fish that are easy to care for and make a great addition to a community aquarium.

Harlequin Rasboras are schooling fish and do best when kept in groups of six or more. They are omnivores and can be fed a variety of commercial fish food, including flakes, pellets, and frozen foods. They prefer slightly acidic water with a pH range of 6.0 to 7.0 and a temperature range of 72 to 80 degrees Fahrenheit.

Harlequin Rasboras are mid-level swimmers and prefer a heavily planted aquarium with plenty of hiding spots. They are peaceful fish and can coexist with other peaceful fish species, making them a great choice for a community aquarium. They are also known for their active swimming behavior, which adds visual interest to any aquarium.

Harlequin Rasboras are susceptible to diseases, and it is important to maintain good water quality and quarantine new fish before adding them to the aquarium. They are also sensitive to changes in water conditions and should not be added to a newly established aquarium.

7. Cherry Barb

Cherry Barb

Cherry Barbs are a popular freshwater community fish that are known for their vibrant red coloration and peaceful temperament. They are easy to care for and make a great addition to a community aquarium.

Cherry Barbs are schooling fish and do best when kept in groups of six or more. They prefer slightly acidic water with a pH range of 6.0 to 7.0 and a temperature range of 72 to 78 degrees Fahrenheit. They are omnivores and can be fed a variety of commercial fish food, including flakes, pellets, and frozen foods.

Cherry Barbs are active swimmers and prefer a heavily planted aquarium with plenty of hiding spots. They are peaceful fish and can coexist with other peaceful fish species, making them a great choice for a community aquarium. However, males can become territorial during breeding, so it is important to keep an eye on them during this time.

Cherry Barbs are also known for their breeding behavior. They are egg layers and will lay their eggs on plants or other surfaces in the aquarium. The eggs will hatch in about two days, and the fry can be fed on commercial fry food or finely crushed flakes.

8. Zebra Danio

Zebra Danio

Zebra Danios are a popular freshwater community fish that are known for their distinctive black and white striped pattern and active swimming behavior. They are easy to care for and make a great addition to a community aquarium.

Zebra Danios are schooling fish and do best when kept in groups of six or more. They prefer slightly acidic to neutral water with a pH range of 6.5 to 7.5 and a temperature range of 65 to 77 degrees Fahrenheit. They are omnivores and can be fed a variety of commercial fish food, including flakes, pellets, and frozen foods.

Zebra Danios are active swimmers and prefer a well-oxygenated aquarium with plenty of swimming space. They are peaceful fish and can coexist with other peaceful fish species, making them a great choice for a community aquarium. However, males can become territorial during breeding, so it is important to keep an eye on them during this time.

Zebra Danios are also known for their breeding behavior. They are egg layers and will lay their eggs on plants or other surfaces in the aquarium. The eggs will hatch in about two days, and the fry can be fed on commercial fry food or finely crushed flakes.

9. White Cloud Mountain Minnow

White Cloud Minnows

White Cloud Mountain Minnows are a popular freshwater community fish that are known for their peaceful temperament and hardy nature. They are easy to care for and make a great addition to a community aquarium.

White Cloud Mountain Minnows are schooling fish and do best when kept in groups of six or more. They prefer slightly acidic to neutral water with a pH range of 6.0 to 7.5 and a temperature range of 64 to 72 degrees Fahrenheit. They are omnivores and can be fed a variety of commercial fish food, including flakes, pellets, and frozen foods.

White Cloud Mountain Minnows are active swimmers and prefer a well-oxygenated aquarium with plenty of swimming space. They are peaceful fish and can coexist with other peaceful fish species, making them a great choice for a community aquarium. They are also known for their colorful and vibrant coloration, which adds visual interest to any aquarium.

White Cloud Mountain Minnows are also known for their breeding behavior. They are egg layers and will lay their eggs on plants or other surfaces in the aquarium. The eggs will hatch in about two days, and the fry can be fed on commercial fry food or finely crushed flakes.

10. Kuhli Loach

Kuhli Loach

Kuhli Loaches are a popular freshwater community fish that are known for their unique appearance and peaceful temperament. They are easy to care for and make a great addition to a community aquarium.

Kuhli Loaches are bottom-dwelling fish and prefer soft, slightly acidic to neutral water with a pH range of 6.0 to 7.5 and a temperature range of 75 to 86 degrees Fahrenheit. They are omnivores and can be fed a variety of commercial fish food, including sinking pellets and frozen foods.

Kuhli Loaches are peaceful fish and can coexist with other peaceful fish species, making them a great choice for a community aquarium. They are also known for their unique appearance, with their long, slender bodies and distinctive markings. They are active swimmers and prefer a well-oxygenated aquarium with plenty of hiding spots, such as rocks, driftwood, or plants.

Kuhli Loaches are also known for their nocturnal behavior, and will often hide during the day and come out to feed and swim at night. They are also known to burrow into substrate, so it’s important to provide a soft substrate such as sand or fine gravel to prevent injury.

11. Celestial Pearl Danio

Celestial Pearl Danio

Celestial Pearl Danios, also known as Galaxy Rasboras or Microrasbora sp. “Galaxy,” are a popular freshwater community fish that are known for their vibrant coloration and active swimming behavior. They are relatively new to the aquarium hobby, having been discovered in 2006 in Myanmar.

Celestial Pearl Danios are small, schooling fish that do best when kept in groups of six or more. They prefer slightly acidic to neutral water with a pH range of 6.5 to 7.5 and a temperature range of 72 to 78 degrees Fahrenheit. They are omnivores and can be fed a variety of commercial fish food, including flakes, pellets, and frozen foods.

Celestial Pearl Danios are active swimmers and prefer a well-oxygenated aquarium with plenty of swimming space. They are peaceful fish and can coexist with other peaceful fish species, making them a great choice for a community aquarium. They are also known for their beautiful and vibrant coloration, with iridescent blue-green and red scales.

Celestial Pearl Danios are also known for their breeding behavior. They are egg layers and will lay their eggs on plants or other surfaces in the aquarium. The eggs will hatch in about two days, and the fry can be fed on commercial fry food or finely crushed flakes.

12. Endler’s Livebearer

Endlers Livebearer

Endler’s Livebearers are a popular freshwater community fish that are known for their vibrant coloration, active swimming behavior, and ease of care. They are closely related to Guppies, but are smaller in size and have their own unique color patterns.

Endler’s Livebearers are small, schooling fish that do best when kept in groups of six or more. They prefer slightly alkaline to neutral water with a pH range of 7.0 to 8.0 and a temperature range of 72 to 82 degrees Fahrenheit. They are omnivores and can be fed a variety of commercial fish food, including flakes, pellets, and frozen foods.

Endler’s Livebearers are active swimmers and prefer a well-oxygenated aquarium with plenty of swimming space. They are peaceful fish and can coexist with other peaceful fish species, making them a great choice for a community aquarium. They are also known for their beautiful and vibrant coloration, with a variety of different color patterns available.

Endler’s Livebearers are also known for their breeding behavior. They are livebearers and will give birth to live fry in the aquarium. They are prolific breeders and can quickly populate a tank, so it’s important to ensure there is enough space and food for the fry to thrive.

13. Bristlenose Pleco

Bristlenose Catfish

Bristlenose Plecos, also known as Bushynose Plecos or Ancistrus, are a popular freshwater community fish that are known for their unique appearance and their ability to keep algae growth in check in the aquarium. They are a type of catfish and are commonly kept in aquariums.

Bristlenose Plecos are small, bottom-dwelling fish that do best when kept in a tank with plenty of hiding places, such as caves and driftwood. They prefer slightly acidic to neutral water with a pH range of 6.5 to 7.5 and a temperature range of 72 to 82 degrees Fahrenheit. They are omnivores and can be fed a variety of commercial fish food, including algae wafers, pellets, and frozen foods.

Bristlenose Plecos are known for their unique appearance, with males having longer and more elaborate bristles on their head and face than females. They are also effective at keeping algae growth in check in the aquarium, making them a great addition to tanks with live plants. However, they may also feed on other types of food, so it’s important to supplement their diet with other foods.

Bristlenose Plecos are generally peaceful fish and can coexist with other peaceful fish species, making them a great choice for a community aquarium. However, males may be territorial with other males, so it’s important to provide enough hiding places in the tank to prevent aggression.

14. Pearl Gourami

Pearl Gourami

The Pearl Gourami, also known as the Lace Gourami, is a popular freshwater community fish that is known for its striking appearance, peaceful temperament, and ease of care. They are a type of labyrinth fish and are native to Southeast Asia.

Pearl Gouramis are a medium-sized fish that can grow up to 4 inches in length. They prefer slightly acidic to neutral water with a pH range of 6.0 to 7.5 and a temperature range of 75 to 82 degrees Fahrenheit. They are omnivores and can be fed a variety of commercial fish food, including flakes, pellets, and frozen foods.

Pearl Gouramis are known for their stunning appearance, with a pearlescent white body and black spots on their sides. They have a peaceful temperament and can coexist with other peaceful fish species, making them a great choice for a community aquarium. However, males may become territorial with other males during breeding, so it’s important to provide enough hiding places in the tank to prevent aggression.

Pearl Gouramis are also known for their unique breeding behavior. They are bubble nest builders, with males creating a nest at the water’s surface using bubbles and plant material. After mating, the female will lay her eggs in the nest and the male will guard and tend to the eggs until they hatch.

15. German Blue Ram

German Blue Ram

The German Blue Ram, also known as the Blue Ram or Butterfly Cichlid, is a popular freshwater community fish that is known for its vibrant colors, peaceful temperament, and unique behavior. They are a type of dwarf cichlid and are native to South America.

German Blue Rams are a small-sized fish that can grow up to 2 inches in length. They prefer slightly acidic to neutral water with a pH range of 6.0 to 7.5 and a temperature range of 75 to 82 degrees Fahrenheit. They are omnivores and can be fed a variety of commercial fish food, including flakes, pellets, and frozen foods.

German Blue Rams are known for their vibrant colors, with a bright blue body and yellow or red accents. They have a peaceful temperament and can coexist with other peaceful fish species, making them a great choice for a community aquarium. However, they may become territorial with other German Blue Rams or other dwarf cichlid species, so it’s important to provide enough hiding places in the tank to prevent aggression.

German Blue Rams are also known for their unique behavior. They are intelligent fish that can recognize their owners and are known to form strong pair bonds during breeding. During breeding, the pair will lay their eggs on a flat surface, such as a leaf or rock, and both the male and female will guard and tend to the eggs until they hatch.

16. Black Skirt Tetra

The Black Skirt Tetra, also known as the Black Widow Tetra, is a popular freshwater community fish that is known for its striking appearance and peaceful temperament. They are native to South America and are one of the most common tetra species in the aquarium hobby.

Black Skirt Tetras are a small-sized fish that can grow up to 2.5 inches in length. They prefer slightly acidic to neutral water with a pH range of 6.0 to 7.5 and a temperature range of 72 to 79 degrees Fahrenheit. They are omnivores and can be fed a variety of commercial fish food, including flakes, pellets, and frozen foods.

Black Skirt Tetras are known for their striking appearance, with a black body and white or silver markings on their fins. They have a peaceful temperament and can coexist with other peaceful fish species, making them a great choice for a community aquarium. However, they may nip at the fins of long-finned fish, so it’s important to avoid keeping them with fish such as angelfish or guppies.

Black Skirt Tetras are also known for their schooling behavior. They are social fish that prefer to be kept in groups of at least 6 individuals. In a school, they will swim together and display their natural behaviors, making for an active and interesting addition to a community aquarium.

17. Ember Tetra

Ember Tetra

The Ember Tetra is a small, colorful freshwater fish that is a popular choice for community aquariums. Native to the Araguaia River basin in Brazil, these tiny fish are known for their striking orange-red coloration and peaceful temperament.

Ember Tetras are a small-sized fish that typically grow to be around 0.8-1 inch in length. They prefer slightly acidic to neutral water with a pH range of 6.0-7.0 and a temperature range of 75-82 degrees Fahrenheit. They are omnivores and can be fed a variety of commercial fish food, including flakes, pellets, and frozen foods.

Ember Tetras are named after their bright orange-red coloration, which becomes more intense during breeding. They have a peaceful temperament and can be kept in a community aquarium with other small and peaceful fish species. They are also a good choice for a planted aquarium, as they do not disturb the substrate or plants.

Ember Tetras are also known for their schooling behavior, and they should be kept in groups of at least six individuals. In a school, they will swim together and display their natural behaviors, making for an active and interesting addition to a community aquarium. They are also known for their breeding behavior, with males displaying their brightest colors to attract females during the breeding season.

18. Kribensis Cichlid

Kribensis Cichlid

The Kribensis Cichlid, also known as the Krib or Purple Cichlid, is a colorful and popular freshwater fish species that is native to West Africa. They are a relatively small species of cichlid, making them a popular choice for smaller aquariums.

Kribensis Cichlids are a medium-sized fish that can grow up to 4 inches in length. They prefer slightly acidic to neutral water with a pH range of 6.0 to 7.5 and a temperature range of 72 to 82 degrees Fahrenheit. They are omnivores and can be fed a variety of commercial fish food, including flakes, pellets, and frozen foods.

Kribensis Cichlids are known for their bright coloration, with males displaying more vibrant colors than females. They are generally peaceful fish but can become territorial during breeding season or when defending their young. They are also known for their unique breeding behavior, with both parents actively caring for their young.

Kribensis Cichlids are best kept in a species-specific aquarium or with other peaceful fish species that are not too small or timid. They prefer to have hiding places, such as caves or plants, and will often establish a territory in their aquarium. They are generally easy to care for and make a great choice for beginner cichlid keepers.

19. Otocinclus Catfish

Otocinclus Catfish

The Otocinclus Catfish, also known as the Dwarf Sucker Catfish or Oto Catfish, is a small, peaceful freshwater fish species that is native to South America. They are known for their ability to clean algae from aquariums and are a popular choice for planted tanks.

Otocinclus Catfish are a small-sized fish that typically grow to be around 1-2 inches in length. They prefer slightly acidic to neutral water with a pH range of 6.0-7.5 and a temperature range of 72-82 degrees Fahrenheit. They are herbivores and primarily feed on algae, but they will also accept commercial fish food, including algae wafers and vegetable-based pellets.

Otocinclus Catfish are known for their peaceful temperament and are a great addition to a community aquarium with other small and peaceful fish species. They are also a good choice for a planted aquarium, as they do not disturb the substrate or plants. They are active during the day and will swim throughout the aquarium, often in groups.

Otocinclus Catfish are also known for their cleaning behavior, as they will eat algae off of aquarium surfaces, including glass, plants, and decorations. They are particularly good at cleaning the undersides of leaves, where other algae-eating fish may not be able to reach. As such, they are often used as a natural method of algae control in aquariums.

20. Cherry shrimp

Cherry Shrimp

Cherry shrimp, also known as Neocaridina davidi var. red, are freshwater dwarf shrimp native to Taiwan. They are popular in the aquarium hobby due to their bright red coloration, ease of care, and ability to breed in captivity.

Cherry shrimp are typically kept in planted aquariums with plenty of hiding places and areas to graze. They are omnivores and will eat a variety of foods, including algae, shrimp pellets, and blanched vegetables like zucchini or spinach.

When keeping cherry shrimp, it’s important to provide them with clean, well-oxygenated water and avoid any sudden changes in water parameters. They prefer a pH range of 6.5-8.0 and a temperature range of 65-80°F (18-27°C). They also require a source of calcium to help them molt properly, so adding a piece of cuttlebone or crushed coral to the aquarium can be beneficial.

Cherry shrimp are prolific breeders and can quickly populate a tank if given the right conditions. They carry their eggs underneath their tails until they hatch, and the young shrimp will molt several times before reaching adulthood. Overall, cherry shrimp are a great addition to any peaceful community aquarium and can provide a colorful and active display.

21. Golden Wonder Killifish

Golden Wonder Killifish, also known as the striped panchax, is a beautiful and active fish that is native to the rivers and streams of southern Asia. These fish are typically easy to care for and have a peaceful temperament, making them a great addition to a community aquarium.

Golden Wonder Killifish are known for their striking appearance, with bright yellow and black stripes running down their bodies. They can grow up to four inches in length, so it’s important to provide them with enough space in the aquarium. These fish are also known for their active nature, so they need plenty of swimming room to thrive.

In terms of tank setup, Golden Wonder Killifish prefer a heavily planted aquarium with plenty of hiding places. They also need clean water with a pH between 6.0 and 7.5 and a temperature between 72 and 79 degrees Fahrenheit.

Feeding Golden Wonder Killifish is relatively easy, as they are not picky eaters. They will eat a variety of foods, including flakes, pellets, and live or frozen foods like brine shrimp or bloodworms. It’s important to feed them a varied diet to ensure they get all the nutrients they need.

When it comes to tankmates, Golden Wonder Killifish are generally peaceful and can be kept with other non-aggressive fish. However, they may become territorial during breeding, so it’s important to provide plenty of hiding places for other fish in the aquarium.

22. Rainbow Fish

Boesemans Rainbowfish

Rainbow Fish is a popular and beautiful freshwater fish that is known for its bright colors and active nature. These fish are native to Australia and New Guinea and are a great addition to a community aquarium.

Rainbow Fish are known for their stunning colors, with iridescent scales that shimmer and change colors in the light. They are also relatively easy to care for, making them a popular choice among fish keepers.

When it comes to tank setup, Rainbow Fish prefer a heavily planted aquarium with plenty of swimming space. They are active swimmers, so it’s important to provide them with plenty of open space to move around. They also prefer clean water with a pH between 6.5 and 7.5 and a temperature between 73 and 82 degrees Fahrenheit.

In terms of feeding, Rainbow Fish are omnivores and will eat a variety of foods, including flakes, pellets, and live or frozen foods like brine shrimp or bloodworms. It’s important to feed them a varied diet to ensure they get all the nutrients they need.

Rainbow Fish are generally peaceful and can be kept with other non-aggressive fish. However, they may become territorial during breeding, so it’s important to provide plenty of hiding places for other fish in the aquarium.

23. Rosy Barb

Rosy Barb is a popular freshwater fish that is known for its striking colors and active nature. These fish are native to southern Asia and are a great addition to a community aquarium.

Rosy Barbs are known for their bright colors, with males having a more vibrant red coloration than females. They can grow up to three inches in length and are relatively easy to care for, making them a popular choice among fish keepers.

When it comes to tank setup, Rosy Barbs prefer a heavily planted aquarium with plenty of swimming space. They also need clean water with a pH between 6.0 and 8.0 and a temperature between 72 and 82 degrees Fahrenheit.

In terms of feeding, Rosy Barbs are omnivores and will eat a variety of foods, including flakes, pellets, and live or frozen foods like brine shrimp or bloodworms. It’s important to feed them a varied diet to ensure they get all the nutrients they need.

Rosy Barbs are generally peaceful and can be kept with other non-aggressive fish. However, they may become territorial during breeding, so it’s important to provide plenty of hiding places for other fish in the aquarium.

24. Siamese Algae Eater

Siamese Algae Eater

Siamese Algae Eater is a popular freshwater fish that is known for its ability to help control algae growth in an aquarium. These fish are native to Southeast Asia and are a great addition to a community aquarium.

Siamese Algae Eaters are known for their slender and elongated body shape, with a dark horizontal stripe running from the nose to the tail. They can grow up to six inches in length and are relatively easy to care for, making them a popular choice among fish keepers.

When it comes to tank setup, Siamese Algae Eaters prefer a heavily planted aquarium with plenty of swimming space. They also need clean water with a pH between 6.5 and 7.5 and a temperature between 75 and 79 degrees Fahrenheit.

In terms of feeding, Siamese Algae Eaters are omnivores and will eat a variety of foods, including algae wafers, vegetables, and live or frozen foods like brine shrimp or bloodworms. However, they primarily feed on algae in the aquarium, making them a great addition for controlling algae growth.

Siamese Algae Eaters are generally peaceful and can be kept with other non-aggressive fish. However, they may become territorial with their own kind, so it’s important to provide plenty of swimming space and hiding places for them in the aquarium.

25. Honey Gourami

Honey Gourami

Honey Gourami is a popular freshwater fish that is known for its beautiful coloration and peaceful nature. These fish are native to South Asia and are a great addition to a community aquarium.

Honey Gouramis are known for their vibrant gold or orange coloration, with males having a more intense color than females. They can grow up to two inches in length and are relatively easy to care for, making them a popular choice among fish keepers.

When it comes to tank setup, Honey Gouramis prefer a heavily planted aquarium with plenty of swimming space. They also need clean water with a pH between 6.0 and 7.5 and a temperature between 75 and 82 degrees Fahrenheit.

In terms of feeding, Honey Gouramis are omnivores and will eat a variety of foods, including flakes, pellets, and live or frozen foods like brine shrimp or bloodworms. It’s important to feed them a varied diet to ensure they get all the nutrients they need.

Honey Gouramis are generally peaceful and can be kept with other non-aggressive fish. They may become territorial during breeding, so it’s important to provide plenty of hiding places for other fish in the aquarium.

26. Betta

Betta

Betta, also known as Siamese Fighting Fish, is a popular freshwater fish that is known for its vibrant colors and distinctive personality. These fish are native to Southeast Asia and are a great addition to a community aquarium or as a centerpiece fish in a small tank.

Bettas are known for their long, flowing fins and bright colors, with a variety of shades including red, blue, green, and purple. They can grow up to three inches in length and are relatively easy to care for, making them a popular choice among fish keepers.

When it comes to tank setup, Bettas prefer a small tank or a sectioned off area of a larger tank, with plenty of hiding places like plants and decorations. They also need clean water with a pH between 6.0 and 8.0 and a temperature between 76 and 82 degrees Fahrenheit.

In terms of feeding, Bettas are carnivores and will eat a variety of foods, including pellets, flakes, and live or frozen foods like brine shrimp or bloodworms. It’s important not to overfeed them, as they have a tendency to overeat and become bloated.

Bettas are known for their territorial nature and should not be kept with aggressive or fin-nipping fish. They can be kept with peaceful, non-aggressive fish that won’t bother them, but it’s important to monitor their behavior closely to ensure they are not stressed or agitated.

27. Molly

Molly Fish

Molly is a popular freshwater fish that is known for its lively personality and interesting color variations. These fish are native to Central and South America and are a great addition to a community aquarium.

Mollies are known for their unique body shape, which is similar to a flattened oval. They can grow up to four inches in length and are relatively easy to care for, making them a popular choice among fish keepers.

When it comes to tank setup, Mollies prefer a well-planted aquarium with plenty of swimming space. They also need clean water with a pH between 7.5 and 8.5 and a temperature between 75 and 82 degrees Fahrenheit.

In terms of feeding, Mollies are omnivores and will eat a variety of foods, including flakes, pellets, and live or frozen foods like brine shrimp or bloodworms. They may also nibble on algae in the aquarium.

Mollies are generally peaceful and can be kept with other non-aggressive fish. However, they may become territorial during breeding and may nip at the fins of other fish in the aquarium. It’s important to provide plenty of hiding places for other fish in the aquarium.

Factors To Consider When Choosing Community Fish

When choosing community fish for a freshwater aquarium, there are several factors to consider to ensure the health and compatibility of the fish in the aquarium.

Some of the important factors to consider include:

Size: It is essential to consider the adult size of the fish species, as some species can grow very large and may not be suitable for smaller aquariums. It is also important to consider the size of the tank and the number of fish you plan to keep to ensure that there is enough space for all the fish.

Temperament: Some fish species are more aggressive than others and may not be suitable for a peaceful community aquarium. It is important to research the temperament of each fish species and ensure that they are compatible with the other fish in the aquarium.

Water requirements: Different fish species have different water requirements, including pH, temperature, and hardness. It is important to research the specific requirements of each fish species and ensure that they are compatible with the water conditions in the aquarium.

Diet: Different fish species have different dietary needs, including herbivorous, carnivorous, and omnivorous diets. It is important to ensure that the fish species you choose have compatible diets to avoid competition for food.

Activity level: Some fish species are more active than others and require more swimming space in the aquarium. It is important to consider the activity level of each fish species and ensure that there is enough space in the aquarium for them to swim and move around comfortably.

Compatibility with other fish species: It is important to consider the compatibility of each fish species with the other fish in the aquarium. Some fish species may be aggressive towards other species, while others may be compatible and even form shoals or groups.

Breeding behavior: Some fish species may breed frequently and produce large numbers of offspring, while others may require special conditions to breed. It is important to consider the breeding behavior of each fish species and ensure that you can accommodate any offspring that may be produced.

By considering these factors, you can choose community fish species that are compatible with each other and suitable for your aquarium, ensuring a healthy and harmonious environment for your fish.

Conclusion

There are many great community fish options for a freshwater aquarium, each with their own unique characteristics and requirements. From Rainbow Fish to Honey Gourami, and Siamese Algae Eaters to Rosy Barbs, there are many options to choose from to create a beautiful and thriving aquarium.

It’s important to research the specific needs of each fish species to ensure they are compatible with each other and with the aquarium environment. Providing a well-maintained aquarium with clean water, appropriate tank setup, and a varied diet is essential for the health and well-being of these fish.

By selecting the right combination of community fish, fish keepers can create a peaceful and beautiful aquatic environment that provides years of enjoyment and entertainment.