Black Triggerfish (Melichthys niger) ソロイモンガラ – size 30cm Black Durgon
Black Triggerfish are often seen in mid-water feeding on plankton. They are all black with white lines at the base of the dorsal and anal fins. They can show some more color when they want to. Kauai 2015
This Black Triggerfish is showing a lot of color. Kauai 2005
This is what the Black Triggerfish usually look like. Kauai 2015