Large school of black triggerfish (Melichthys niger), Hanauma Bay, Oahu, Hawaii, United States of America, Pacific

underwater hanauma bay oahu hawaii pacific ocean black triggerfish trigger fish trigger fish melichthys niger schooling swimming fish black triggerfishes trigger fishes trigger fishes fishes day outdoors nature natural world marine life groups united states of america usa pacific sea seas ocean oceans black durgon black durgons horizontal