Water parameters
Overview
The African red-eyed tetra is a West African species from the same family as the Congo tetra (Alestidae). Its large scales shimmer in blue, green and gold tones depending on the angle of the light; the lower half of the body is yellowish and the upper part of the eye is bright red. It is a fast swimmer that reaches 9–10 cm. Males have a more colorful anal fin with more distinct stripes.
Tank Setup
- At least 200 liters for a group of 6–8; 120 cm length.
- 24–27°C, pH 6–7.5, soft to moderately hard water.
- Plenty of open swimming space, plants along the edges and gentle to moderate flow.
- It jumps when startled; a lid is required.
Diet
Omnivorous. Flakes, granules, frozen bloodworms, brine shrimp and mysis shrimp are suitable. It mostly snaps up food in the middle and upper layers; 1–2 meals a day are enough.
Behavior and Compatibility
A peaceful but active schooling fish. It is compatible with calm species of similar size; very small fish and baby shrimp may become prey.
Good companions: Congo tetras, medium-sized barbs, plecos, Synodontis species, peaceful West African cichlids such as kribensis.
Avoid: nano fish, dwarf shrimp, large aggressive cichlids.
A short profile for this species
The African Red-eyed Tetra page has the basics, but the sections below have not been written yet. If you keep this species, write a section from your own experience; it will be published under your name after editor approval.
Tank mates
This list is calculated automatically from the species profile and grows as new species are added to the catalog. Try it in the planner for a definite answer.
Usually compatible
Flame Tetra
Blackfin Corydoras
Polystictus Corydoras
Emerald Betta
Emerald Cory
Porthole Catfish
Keyhole Cichlid
Cupid Cichlid
Geophagus altifrons
Geophagus surinamensis
Should not be kept together
Hobbyist notes
Things you won't find in books, learned by trial and error. The most helpful ones are on top.
Change history and contributors
- Page created · October 16, 2026






