noun, plural (especially collectively) hag·fish, (especially referring to two or more kinds or species) hag·fish·es.
Examples from the Web for hagfish
The "oral cirri" suggest somewhat the barbels of the nose and mouth of a hagfish.
In the California hagfish, Polistotrema stouti, great numbers of these eggs have been found in the stomachs of the males.
In gill-nets in Monterey Bay great mischief is done by hagfish (Polistotrema stouti).