Wiktionary
lagoon triggerfish
n. ''Rhinecanthus aculeatus'', a vividly-coloured tropical fish.
Wikipedia
Lagoon triggerfish
The lagoon triggerfish (Rhinecanthus aculeatus), also known as the blackbar triggerfish, the Picasso triggerfish, the Picassofish, and the Jamal, is a triggerfish, up to 30 cm in length, found on reefs in the Indo-Pacific region.
The Hawaiian name for the fish, , also spelled humuhumu-nukunuku-a-puaa or just humuhumu for short (meaning "triggerfish with a snout like a pig") shares the same name with the reef triggerfish, the state fish of Hawaii.
This species has been studied in a range of research contexts, from locomotion to colour vision research.