Compact fish (adult size about 10 cm or less)

Keep a group of twenty or more with dense cover and a base of at least 60 × 30 cm.

Keep a group of twenty or more with dense cover and a base of at least 45 × 30 cm.

Provide algae-covered surfaces and stable water; protect snails from predatory tankmates.

Use a mature tank with established biofilm; confirm actual feeding and supplement food.

Provide dense cover, stable warm water and room for fish to retreat from displaying males.

Fin nipper — avoid with long-finned tankmates

Keep a substantial group; avoid slow or long-finned fish. A community needs more space than the minimum species setup.

Maintain stable warm water and provide cover, open sand and a base of at least 60 × 30 cm.

Maintain strong oxygenation, water movement and mature biofilm on rocks.

Fin nipper — avoid with long-finned tankmates

Manage male aggression with cover and sex ratio; offer live or frozen food and fit a lid.

Keep a group with clean substrate and a base of at least 90 × 30 cm.

Fin nipper — avoid with long-finned tankmates

Keep a group in a mature aquarium with clean sand or smooth, rounded gravel.

Fin nipper — avoid with long-finned tankmates

Keep a substantial group; avoid slow or long-finned tankmates because of fin nipping.

Fin nipper — avoid with long-finned tankmates

Keep a group on clean fine sand or smooth, rounded gravel.

Fin nipper — avoid with long-finned tankmates

Provide sand, rock caves and adequate breeding territory.

Keep a group in a mature, stable tank with calm companions; offer small live or frozen foods daily.

High aggression — research tankmates carefully

Keep males separate, with steady heat, gentle flow, surface access and a cover.

High aggression — research tankmates carefully

Keep males separate; provide steady heat, gentle flow, surface access and a cover.

High aggression — research tankmates carefully

Keep males separate; provide steady heat, gentle flow, surface access and a cover.

Keep a group with clean sand or smooth gravel and a base of at least 61 × 38 cm.

Keep a group with a base of at least 80 × 30 cm and clean sand or smooth gravel.

Keep a large group with open swimming space and a secure lid; avoid timid or slow tankmates.

Keep a group with open swimming space; maintain stable water and regular partial water changes.