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The nurse shark genus Ginglymostoma is derived from Greek language meaning hinged mouth, whereas the species cirratum is derived from Latin meaning having curled ringlets. . Based on morphological similarities, Ginglymostoma is believed to be the sister genus of Nebrius, with both being placed in a clade that also include species Pseudoginglymostoma brevicaudatum, Rhincodon typus, and ...
The largest species, called simply the nurse shark Ginglymostoma cirratum, may reach a length of 4.3 m (14 ft); the tawny nurse shark Nebrius ferrugineus is somewhat smaller at 3.2 m (10 ft), and the short-tail nurse shark Pseudoginglymostoma brevicaudatum is by far the smallest at just 75 cm (2.46 ft) in length.
The tawny nurse shark (Nebrius ferrugineus) is a species of carpet shark in the family Ginglymostomatidae, and the only extant member of the genus Nebrius.. It is found widely along coastlines in the Indo-Pacific, preferring reefs, sandy flats, and seagrass beds from very shallow water to a depth of 70 m (230 ft).
It contains a single extant species, the tawny nurse shark (Nebrius ferrugineus), as well as a number of extinct species dating back to the Early Paleocene. [2]
Ginglymostoma unami, also known as the Pacific nurse shark is a nurse shark of the family Ginglymostomatidae. It is found in southeastern coast of Baja California , Mexico to Costa Rica including Gulf of California .
Cantioscyllium is an extinct genus of nurse shark from the Mesozoic era. [3] It is known mainly from isolated teeth, but was named on a partial skeleton from the Late Cretaceous of England . It is a widespread and diverse genus, currently containing 10 species.
The short-tail nurse shark (Pseudoginglymostoma brevicaudatum) is a nurse shark in the family Ginglymostomatidae, the only member of the genus Pseudoginglymostoma. It is found in the tropical western Indian Ocean between latitudes 0° and 27° S , and reaches a length of 75 cm.
The sand tiger shark (Carcharias taurus), grey/gray nurse shark, spotted ragged-tooth shark, or blue-nurse sand tiger, is a species of shark that inhabits subtropical and temperate waters worldwide. It inhabits the continental shelf , from sandy shorelines (hence the name sand tiger shark) and submerged reefs to a depth of around 191 m (627 ft ...