Scientific name : Myripristis sp
Family : Holocentridae (soldier fish and squirrels, 90 species)
Size : Up to 40 cm
Distribution : Indo-Pacific
Biology : Soldier fish are known to be discreet during the day, their very large eyes giving them excellent night vision.
To maintain group cohesion, they are known to communicate with each other using a series of grunts, which are generally inaudible to humans as they are emitted at much too low a pitch.
IUCN status : Least concern