Great-headed Shark (Cephalurus)

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Great-headed Shark (Cephalurus)
Great-headed Shark (Cephalurus)

Video: Great-headed Shark (Cephalurus)

Video: Great-headed Shark (Cephalurus)
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The name of the genus - Cephalurus - comes from the Greek words. κεφάλι - "head" and other Greek. αἴλουρος - "cat". Monotypic genus. In large-headed sharks, the first dorsal fin is shifted forward relative to the pelvic fins much more than the second; dorsal and anal fins straight or even slightly concave from base to apex; the contour of the caudal fin is uniformly rounded. The muzzle is very short, the nostrils are separated from the mouth and are far apart and framed by skin folds. The mustache is missing. The head is wide, flattened and round; its length is 1/3 of the total body length. Upper and lower teeth with sharp triangular median projections with 1 to 3 lateral denticles on each side. The eyes are oval. Five pairs of gill slits are clearly visible and arched towards the head.

Great-headed shark (Cephalurus sp.), Photo photograph cartilaginous fish
Great-headed shark (Cephalurus sp.), Photo photograph cartilaginous fish

Photo Makuriwa Museo de Historia Natural Marina

They reproduce by laying eggs. Newborns about 10 cm long are born every summer. In males, sexual maturity occurs at a length of 19 cm, and in females 24 cm.

The diet consists of cephalopods, crustaceans and small fish. They live from the Gulf of California to Baja California at a depth of 155-937 m. Sometimes these sharks are caught in nets as a by-catch, but the great depth at which they live serves them to some extent as protection.

Taxonomy of the genus Greathead sharks:

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