noun, plural (especially collectively) par·rot·fish, (especially referring to two or more kinds or species) par·rot·fish·es.
Examples from the Web for parrot-fish
They employ it as they do the parrot-fish, to give a different colour to the plumage of their parrots.
Among them is the curious and handsome pirarara, or parrot-fish.
The most curious of these is the parrot-fish, whose head is shaped like the beak of the parrot, and whose color is light green.Memoirs of Service Afloat, During the War Between the States|Raphael Semmes