What fish can live with Picasso Triggerfish?

Picasso Triggerfish pairs well with Yellow Tang, Maroon Clownfish, Tomato Clownfish, Yellowtail Damselfish, Three-Stripe Damselfish, Blue Hippo Tang. Compatibility depends on tank size, water parameters, and stocking density; the full list on this page ranks every checked pairing.

Species Profile

Picasso Triggerfish

Rhinecanthus aculeatus

Also known as: Humuhumu Triggerfish, Lagoon Triggerfish

Triggerfishaggressive

Adult size

10″

Minimum tank

100 gal

Temperature

72–82°F

8.1–8.4

Schooling

Solitary OK

Water level

mid

Grows from juvenile

Typically sold at ~3″ and reaches 10″ over ~2 years. Plan tank size for the adult, not the fish at purchase.

Diet

Frozen mysis, krill, clams, squid, marine pellets

Notes

Striking abstract pattern of teal/blue/yellow/black lines on cream. Aggressive, bullies smaller tankmates and rearranges aquascape. Eats every invertebrate it encounters. FOWLR-only.

Compatible Tankmates

Best tank mates for Picasso Triggerfish

Every species below passes the compatibility engine when paired with Picasso Triggerfishin a suitably sized tank. Verdicts come from the same rules the builder uses — click a card to see that species' own care profile and its tank mates in turn.