Genus: Ginglymostoma, Nurse Sharks
under snout: 2 barbels
NURSE SHARKS_x000d_ _x000d_
Head broad and flattened; snout broad, rounded;_x000d_ _x000d_
nostrils with large barbels; eyes small, oval, behind the mouth; mouth small, transverse, opens a little under snout; teeth small, multicusped; five small gill arches, last two close together and over pectoral fin; fins blunt and rounded; two large dorsal fins, second dorsal ~½ size of first, base of first one over base of pelvics; tail asymmetrical, lower lobe hardly developed.
This tropical genus contains 2 species, one in both the eastern Pacific and the eastern and western Atlantic._x000d_ _x000d_