Dusky parrotfish, Scarus niger, common names the swarthy parrotfish, and black parrotfish, is a species of parrotfish. It is in  the phylum Chordata, class Actinopterygii and family Scaridae. Like other members of its family, it has characteristic 10 dorsal soft rays, 9 dorsal spines, 9 anal soft rays, and 3 anal spines ...