Fish ID: Giant Squirrelfish

Squirrelfish giant squirrelfish sargoncentron spiniferum cki
Family Soldierfish (HOLOCENTRIDAE)
species Sargocentron spiniferum
size Up to 45cm
locality Near or inside reefs
behaviour By day, resting in sheltered spot
range Tropical and sub-tropical Indian and Pacific Oceans

Largest squirrelfish by far, and has a very straight forehead from top of head to lip. Also a prominent cheek spine. (Also referred to as the sabre squirrelfish)