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Lagoon Triggerfish
Plate 1 of 9. (c) Francois Libert, some rights reserved (CC BY-NC-SA) · via iNaturalist

Lagoon Triggerfish

Rhinecanthus aculeatus

The lagoon triggerfish (Rhinecanthus aculeatus), also known as the blackbar triggerfish, the Picasso triggerfish, or the Picassofish, is a triggerfish, up to 30 cm (12 in) in length, found on reefs in the Indo-Pacific region.

This species has been studied in a range of research contexts, from locomotion to color vision research.

Continue reading on Wikipedia

From the article Lagoon triggerfish on Wikipedia (CC BY-SA), quoted section by section

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What it does

Lagoon triggerfish live in the reefs and sandy areas of coral reefs, where they eat just about anything that comes along, mostly including invertebrates and reef algae. They are always restlessly swimming around and vigorously protect their territory against intruders, including divers, especially when guarding their eggs during reproduction season. Their relatively small size makes them much less dangerous than the larger titan triggerfish of the same family. The fish moves through the water by using waving motions in its dorsal and anal fins, allowing it to move more precisely. Using these movements, it can move forwards, backwards or simply hover in place above the reef. This means that it can more easily back out of crevices than other unidirectional fish.

Wikipedia: “Behavior”

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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Every page naming Rhinecanthus aculeatus in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 83884.