Red Tail Shark Care Guide

Epalzeorhynchos bicolor

AggressiveModerateFreshwater
Max Size
15.0 cm / 6.0"
Temperature
22–26°C (72–79°F)
pH Range
6.5 – 7.5
Min Tank Size
150L (40 gal)
Min Group Size
Can be kept alone
Tank Level
Bottom
Origin
Southeast Asia
Temperament
Aggressive
Difficulty
Moderate
Breeding Difficulty
Difficult

Diet

Omnivorous. They primarily feed on small invertebrates, algae, and plant matter. Provide a balanced diet consisting of high-quality pellets, flakes, and occasional live or frozen foods such as bloodworms and brine shrimp.

Community Compatibility

Red Tail Sharks are best kept in a species-specific aquarium due to their aggressive nature. Avoid keeping them with fin-nipping or smaller fish that may become targets of aggression. Provide ample hiding spots and territories with rock formations and caves.

Good to Know

Red Tail Sharks are best kept in a species-specific aquarium due to their aggressive nature.

Gender Differences

Not sexually dimorphic.

About the Red Tail Shark

Red Tail Sharks, scientifically known as Epalzeorhynchos bicolor, are popular freshwater fish species native to Southeast Asia. They are also commonly referred to as Red Tail Black Sharks or simply Red Tail Sharks. Red Tail Sharks are known for their striking appearance, characterized by a sleek black body and a vibrant red tail fin. They are highly sought after by aquarium enthusiasts for their unique coloration and active nature.

These fish have an elongated and torpedo-shaped body with a predominantly black coloration. Their most distinctive feature is the bright red or orange-red caudal fin, which extends from the base of the tail to the tip. Juvenile Red Tail Sharks may exhibit a more subdued coloration, with the red tail developing as they mature. Additionally, they have a sharp dorsal fin and prominent dark eyes.

In their natural habitat, Red Tail Sharks inhabit rivers and streams with rocky substrates and moderate water flow. When setting up an aquarium for Red Tail Sharks, it is important to mimic their natural environment. Provide them with plenty of hiding places created by rocks, caves, or driftwood. Ensure the tank has ample swimming space and smooth substrate to prevent any injuries.

Red Tail Sharks are territorial and can exhibit aggressive behavior, especially towards their own species and similar-looking fish. They are best kept in larger tanks with ample space and provided with suitable tankmates that are not overly aggressive or territorial. It is advisable to avoid keeping them with other bottom-dwelling fish or fish with long, flowing fins, as they may mistake them for rivals and engage in aggressive behavior.

Caring for Red Tail Sharks involves maintaining appropriate water conditions. They prefer slightly acidic to neutral water with a moderate temperature range. Good filtration and regular water changes are necessary to maintain optimal water quality. Red Tail Sharks are omnivorous and should be fed a balanced diet that includes high-quality pellets or flakes, as well as occasional live or frozen foods such as brine shrimp or bloodworms. Providing a varied diet will ensure their nutritional needs are met.

Breeding Red Tail Sharks in an aquarium environment is extremely rare and challenging. There have been very few successful reports of breeding these fish in captivity. Therefore, most Red Tail Sharks available in the aquarium trade are commercially bred.

In conclusion, Red Tail Sharks are visually striking and active fish that can be a captivating addition to a well-maintained freshwater aquarium. With their black body and vibrant red tail, they create a stunning contrast in the tank. By providing suitable tank conditions, compatible tank mates, and a varied diet, Red Tail Sharks can thrive and become a focal point in your aquatic setup.

Stock Red Tail Shark in Your Tank

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