TankHaven
Picasso Triggerfish (Rhinecanthus aculeatus)

Picasso Triggerfish

Rhinecanthus aculeatus

saltwatereasy to keepfishaggressiveswims allnot reef-safe

A fish-only tank centrepiece. Keep only with other robust, similar-sized fish.

Not for a reef: eats invertebrates and rearranges rock.

Adult size
10 in
Smallest tank
125 gal
Keep them in groups of
1+
Temperature
74–82 °F
pH
8–8.4
Food
Carnivore: frozen shellfish, krill, squid
Start a saltwater build to add this

Gets along with

Yellowtail DamselfishBlue Devil DamselfishOrchid DottybackSix-line WrasseFlame HawkfishValentini PufferLawnmower BlennyMidas Blenny

Think twice about

Cerith Snail — it would eat itYellow Clown Goby — peaceful, and this one is notNeon Goby — peaceful, and this one is notSkunk Cleaner Shrimp — it would eat itPeppermint Shrimp — it would eat itFire Shrimp — it would eat it

Care ranges are typical hobby guidance and vary by source and by where the animal came from. Ask your supplier and watch your own tank. Spot a mistake on this page? Let me know.