Moenkhausia copei (Red Tail Tetra）

📄 Description & Care Instructions

The Copei Tetra (Moenkhausia copei), also known as the Red Tail Tetra, is a lively and attractive species characterized by its elongated body and striking red caudal and adipose fins. Males often display more intense coloration, especially during breeding periods, and may develop a prominent humeral spot  

Origin: Native to the Amazon and Orinoco basins, found in countries such as Venezuela and Peru . 

Temperament: Peaceful and active; best kept in schools of at least six individuals to promote natural behavior and reduce stress  

Habitat: Prefers aquariums with ample swimming space, subdued lighting, and a sandy substrate. Incorporating driftwood and dried leaves can mimic their natural environment . 

Water Parameters:

• pH: 6.0–7.5

• Temperature: 22–28°C (72–82°F)

• Hardness: Soft to moderately hard water . 

Diet: Omnivorous; accepts high-quality flake foods, live or frozen brine shrimp, and bloodworms .

Tankmates: Ideal companions include other peaceful species like rasboras, danios, and small cichlids. Avoid aggressive or larger fish that may intimidate or harm them .

Breeding: Spawning occurs in well-planted tanks with slightly acidic water. Post-spawning, remove adults to prevent egg predation. Fry hatch within 24–36 hours and can be fed infusoria or finely crushed flake food .