Pinktail Triggerfish - Melichthys viduaPinktail Triggerfish (Melichthys vidua) The Pinktail Triggerfish is a striking, large marine triggerfish with a dark olive brown to almost black body, pale fins and the soft pink tail that gives the species its name. In the wild it occurs on current swept, coral rich seaward reefs, often at moderate depths and sometimes in loose groups. In aquaria it is one of the more manageable triggerfish, but it still becomes large, produces a heavy bioload and