Scientific name : Melichthys niger
Family : Balistidae (the triggerfishes, 40 species)
Size : Up to 65 cm
Distribution : Tropical regions worldwide
Biology : This triggerfish frequents reefs in clear waters, particularly drop-offs, its black colouring allowing it to blend into the darkness of the open sea.
On closer inspection, its dark livery reveals flamboyant reflections and complex patterns, often invisible from a distance.
IUCN status : Least Concern