Picasso fish, lagoon triggerfish (Rhinecanthus aculeatus) Picasso triggerfish (Rhinecanthus aculeatus) at Bristol Zoo, Bristol, England. Photographed by Adrian Pingstone in December 2005 and released to the public domain.
Date 18 December 2005 (according to Exif data)
Source: https://commons.wikimedia.org/wiki/File:Picasso.triggerfish.arp.jpg
The lagoon triggerfish (Rhinecanthus aculeatus), also known as the blackbar triggerfish, the Picasso triggerfish, the Picassofish, and the Jamal, is a triggerfish found on reefs in the Indo-Pacific region.