Warm-water tropical fish (24 °C minimum)

Fin nipper — avoid with long-finned tankmates

Provide rock retreats and separate territories for a colony.

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

High aggression — research tankmates carefully

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

Fin nipper — avoid with long-finned tankmates

Plan for adult group space and hiding places; use a mature tank and a secure cover.

Fin nipper — avoid with long-finned tankmates

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

High aggression — research tankmates carefully

Keep a single fish alone; provide hard-shelled foods and avoid handling near its teeth.

Provide ample space and strong filtration; breeding aggression can seriously injure tankmates.

Fin nipper — avoid with long-finned tankmates

Provide a long, broad aquarium, unrestricted surface access and a secure lid; smaller fish may be eaten.

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