Genus: Ginglymostoma, Nurse Sharks, Nurse Shark
eye: small, oval, behind mouth
2 large Ds
under snout: 2 barbels
GINGLYMOSTOMA
NURSE SHARKS
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Head broad and flattened; snout broad, rounded; 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.
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This tropical genus contains 2 species, one in both the eastern Pacific and the eastern and western Atlantic.
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