Enjoy the Beauty of Congo Tetra in Your Aquarium!

The Congo tetra is an omnivorous fish that has the ability to survive in poor water conditions. It can be found in brackish water, freshwater lakes and reservoirs, and even in brine shrimp water-filled tank. The tetra is a popular freshwater fish species and can be kept by aquarists of all levels of experience in freshwater aquariums. It’s one of the most commonly kept tetra species with a large tank size needed to support it, making it ideal for beginners or hobbyists.

The tetra is a small fish, growing up to 3 inches long, and is similar in appearance to the cardinal tetra. They are generally black or dark green dorsally with yellow or white bellies and fins. They have two dorsal fins and two anal fins, the caudal fin extending past the tail fin. They have large eyes that allow them to see well in low light conditions. Their scales are large and ctenoid (i.E., shaped like a comb).

Like many other tetras, the Congo tetra has rainbow-like fins that give it its “rainbow” nickname. While rainbow tetras have different colored fins (red, blue, orange etc.) the origin of this name comes from the fact that their fins look like rainbows when viewed from above.

The species was originally described by Johann Friederich Ephraim Goegebeur in 1848 under the genus “Paracanthoporeus”. In 1969 the genus “Paracanthoporeus” was removed from “Pomatias” by Jackson & McCosker who placed the species within the genus “Eugitea”, hence.

congo tetra species summary

Species Summary

Congo tetra is a freshwater fish native to the River Congo in the Democratic Republic of Congo. It has a slender body and fins, and it can live up to 5 years in captivity. Conga tetra are omnivorous and have large mouths that are ideal for catching food. They can grow up to 3.2 inches (males) or 2.4 inches (femples).

The Congo tetra prefers the water parameters of tropical temperature of 72°F to 82°F, pH of 6.0 – 7.5, and kH of 3 – 18 dGH, and They require a tank of atgo 30 gallons and prefer clean water with substrate as well as plants for shelter.

The Congo tetra is known for its peaceful temperament and also for being a good algae eater with an orange hue on the back of the body, black spots on the fins, and bright orange fins. They can be kept in aquariums with other water lovers such as corydoras catfish or tetras.


The Congo tetra is a freshwater fish native to the Congo River basin in the Democratic Republic of the Congo. The species has a long and flat body with a distinctive rainbow luminecence on its surface. It can grow up to 3.2 inches for males and 2.4 inches for females.

The Congo tetra is omnivorous and community-friendly, accepting most aquarium food. It is a popular aquarium fish, due to its peaceful nature and coloration. These fish are easy to keep and breed in aquariums.

They are a good choice for aquariums of all sizes, from small tanks up to large aquariums. They are suitable for freshwater aquariums with water parameters of pH 6.0-8.5 and temperature range of 68-75 degrees Fahrenheit (20-23 degrees Celsius).

Origin and Distribution

The Congo tetra (Phenacogrammus interruptus) originates from the Congo River Basin in Zaire, Africa. They are commonly found in small streams, ponds, and marshes in the region. The species are known to live in their natural habitat as large as 4.5 inches in size. Captive-bred Congo tetra are usually 3-3.5 inches in length, making them an ideal aquarium fish. They are widely popular in the aquarium community and are available for purchase in the aquarium trade.

Congo Tetra Diet and Feeding

The Congo tetra is an omnivorous fish that is known to be food-based. These fish prefer to feed on insects, algae, small crustaceans, and other suitable food sources.

They are known to be aggressive predators and require a varied diet to thrive. This species should be offered a variety of high quality vegetable-based and protein-based flake foods, sinking micro-pellet foods, and bug bites. Frozen foods such as bloodworms, brine shrimp, and daphnia can also supplement the aquarium’s feeding regimen.

The Congo tetra’s diet must be supplemented with several different types of food to ensure survival and thriving in the aquarium. Feeding this species several times per day in small amounts will help maintain its health and vitality.

Breeding the Congo Tetra

The Congo tetra is a species of aquarium fish that can be bred in pairs or groups, with two males for every four females. It is native to the aquarium trade and has been widely introduced into diverse freshwater systems around the world.

The breeding tank for the Congo tetra should be at least 100 L (22 imp gallons/26 US gallons) and have a protective grid and plants to help create a more naturalistic habitat. The water temperature for breeding should be between 26°C (79°F) and 29°C (85°F), with a pH of 6.5 to 7.5. fry are best fed infusoria, young artemia nauplies, and cyclops, which provide essential nutrients as they grow. A breeding tank should have a substrate of peat moss and a thicket of Java moss to help create the optimal substrate for fry growth and development.


The typical lifespan of the Congo tetra is 3-5 years in captivity, with some aquarists reporting fish living past the 5-year mark. Factors such as water quality, food, and aquarium conditions can play a significant role in the lifespan of Congo tetras. They are prone to stress, which can lead to shortened lifespans. Therefore, it is essential to provide them with a happy and healthy aquarium environment. Besides, the best way to help Congo tetras live as long as possible is by providing them quality food and water conditions.


The Congo tetra is a species of freshwater aquarium fish known for its vibrant rainbow-like coloration. The fish have a slightly compressed and elongated body with an iridescent coloration.

They have a golden stripe in the middle of their body and their flanks are usually violet or turquoise in color. This species also shows amazing rainbow luminescence along the whole body from back to front, with blue dominating their heads and bellies. In addition, the red and gold hue in the middle of their bodies is distinctive and an indication of healthy fish.

The Congo tetra is popular among aquarium enthusiasts for its beauty and interesting behavior. Besides, the species has been reported to be omnivorous, feeding on algae, organic detritus, blood worms, shrimp pellets, and other aquarium foods.

Diseases To Watch Out For

Congo tetras are highly susceptible to a range of fish diseases, particularly Ich. ICH is caused by a parasite that can be fatal to the fish if not treated. Certain tank conditions, such as low water quality or water temperature, can also lead to the development of ICH in Congo tetra. In addition, many species of parasites and bacteria can infect the fish, causing general bacterial infections and skin disease.

Additionally, some aquarium plants and fish can be a source of infection for Congo tetra. These factors make Congo tetra an aquarium species with a high risk of developing fish diseases. To reduce the risk of developing fish diseases in your aquarium, ensure good water quality and quality of aquarium plants and feed only healthy food items.

congo tetra habitat and care

Congo Tetra Habitat and Care

Congo tetra originate from the Congo River Basin in Central Africa, They prefer a tank size of at least 30 gallons with a temperature range of 72°F to 82°F, and a pH of 6.0 – 7.5

They are peaceful, schooling fish, and should be kept with similarly sized fish that have similar needs natural habitats include warm freshwater with a sandbed, and a variety of water plants

They are finicky eaters, and should be fed quality aquarium algae and flake food once or twice per week. Additionally, they may be willing to eat blood worms, shrimp pellets, and other aquarium fare as well. However, picky eaters may also require additives such as vitamin E or cichlid pellets to coax them to eat more fish food.

The Congo tetra is an omnivorous species that can live in both freshwater and brackish water conditions. It is hardy enough to live in aquariums of varying water conditions without special care. It grows slowly but can reach up to 3 inches in length on average.


Congo tetra aquariums are typically established with a range of water parameters, including temperature and pH. These species are native to the Congo River Basin in Central Africa and prefer water conditions that mimic those of their natural habitat. Because of this, it is important to provide them with aquarium parameters that approximate the water quality of streams and rivers in their natural environment.

The ideal size for a Congo tetra aquarium will depend on the size of the species being housed and the type of aquarium equipment desired. Aquariums should be large enough to provide hiding places such as small caves and floating plants, while still maintaining a comfortable water temperature range of 73 – 82°F (23 – 28°C).

Additionally, the tank must have similar lighting to that of a river and plants typical for freshwater environments.

Tank Size For Congo Tetra

Congo tetra are freshwater fish that require a minimum tank size of 30 gallons or 100 litra for a school of 2-3 fish. They can be kept in tanks of up to 120 gallons, but larger tanks are more suitable for adult fish and long-term aquarium maintenance. The ideal tank size for a group of adult Congo tetras is 48″x12″x12″ (120x30x30cm). These fish can be kept in groups of six or more and require the temperature of 22-27°C and pH range of 6.0-7.5.

These fish should be kept in an environment with water quality parameters such as water hardness, temperature, and pH that are acceptable for the species. Regular water changes of 20% per week are also recommended. It is important to add enough aquarium live rock, aquarium sand, or bottom substrate to provide hiding places for the tetra fish.

How Many Congo Tetra Can Be Kept Together?

Congo tetras are popular fish in aquariums, and for good reason. They are active, varied, and stunning fish that can be kept in groups of no fewer than six to create a spectacular display of color. These fish are also timid and suitable for community aquariums.

However, it is important to keep groups of Congo tetra in captivity within the recommended size range of 15 gallons to 55 gallons. Maintaining a minimum of 6-10 fish per tank is the most effective way to ensure the survival of the entire species.

Additionally, male Congo tetra can reach up to 3.5 inches in length while females usually range between 2.5 inches and 3 inches. It is best to buy a group of these fish rather than only one or two as they cost between $7 and $10 each.

Water Parameters

Congo tetra fish are freshwater fish native to the Congo river basin in central Africa. They prefer water parameters of 72℉ to 82℉ and a pH of 6.0 to 7.5. They need acidic water to thrive, so adding catappa leaves or driftwood is a good way to help balance the water’s acidity. To ensure the health of your Congo tetra fish, it’s also important to provide adequate water quality and quality.

These fish originate from the Congo River Basin and are known for their fascinating behavior and unique behavior patterns. So, if you’re interested in adding tetra fish to your aquarium, make sure the water temperature is appropriate and that the water parameters are suitable for the species.

Tank Set-Up

The Congo tetra is a freshwater aquarium fish that requires specific care and maintenance. First, the tank must be large enough to accommodate the fish comfortably.

The tank size should be large enough to allow the fish to maintain its natural size but not so large as to cause the tank to overflow.

Additionally, the water temperature of the tetra aquarium should range from 73-82F with a hardness of 4-18 dGH. To ensure the health of the tetra aquarium, regular tank maintenance is required, including cleaning the aquarium filter, replacing water, and adjusting pH levels. The Congo tetra is a hardy fish but is sensitive to water parameters, making it more suitable for experienced aquarists.

congo tetra FAQ

Frequently Asked Questions

What is Congo Tetra and what makes it a great aquarium fish?

As someone who loves aquarium fish, Congo Tetra is definitely a great option for you! Here are a few reasons why:

– Congo Tetra is a species of fish native to parts of the River Congo drainage and the Democratic Republic of Congo in Africa. In the wild, they live in large water bodies and can swim long distances. They are peaceful fish that can be kept with other fish of similar size.

– Congo Tetra have an iridescent body with a gold stripe in the middle and violet or turquoise flanks. Their coloration makes them very easy to spot in the tank and they are also quite colorful.

– They arePeaceful fish that can be kept with other fish of similar size. They also require a tank of no less than 30 gallons and should be kept in schools of six to eight.

How can I keep Congo Tetra healthy in my aquarium?

Keeping Congo Tetra healthy in an aquarium can be surprisingly difficult. They require a large tank to accommodate their size and active behaviour, and they also require a diet of pellets and frozen foods as well as live foods when available.

Additionally, make sure to keep the water parameters similar to their natural habitat for the best results when breeding.

Something you can do to help Congo Tetra is buy at least six individuals and create a spectacular swath of color in your aquarium.

How can I identify Congo Tetra when viewing my aquarium fish?

To identify a Congo Tetra when viewing your aquarium fish, look for its vibrant colors and shimmering scales, which run through the fish from top to bottom starting with blue and ending with blue near the belly.

Congo Tetras are easily distinguishable due to their large tail fins, which develop into a grayish-violet feathery appendage with white edges.

They grow rapidly and can reach a size of 3 inches for males and 2.75 inches for females. Congo Tetras thrive in large tanks with carefully filtered water and dim lights.

congo tetra conclusion

Can I Keep Serpae Tetras and Congo Tetras Together in the Same Aquarium?

Want to brighten up an aquarium with serpae tetras? While both serpae tetras and congo tetras are stunning fish, it may not be ideal to keep them together. Serpae tetras are known for their feisty behavior and may harass the calm and peaceful congo tetras. It’s essential to consider fish compatibility and create a harmonious environment for your aquatic friends.


The name ‘tetra’ comes from the Greek word for four and the tetra species of fish all have four fins. These fish are omnivores and will eat flake food, algae, brine shrimp, bloodworm and algae wafers. However, they are more likely to be caught on live foods like worms and small crustaceans.

They thrive in water parameters ranging from 6-20 dGH and require temperature ranges of 72-78 degrees Fahrenheit. The tank should be decorated with plants to provide them cover and offer hiding spots.

A tetra aquarium is the right choice for beginners as well as tank owners who want to provide carefree aquariums for their fish!

Hi, I'm Millie a passionate fish enthusiast and blogger. I loves learning about all kinds of aquatic creatures, from tropical fish to stingrays.

Leave a Reply

Your email address will not be published. Required fields are marked *

You might also like