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Euprotomicroides zantedeschia Hulley & M. J. Penrith, 1966 (tail-light shark) Genus Euprotomicrus T. N. Gill, 1865. Euprotomicrus bispinatus Quoy & Gaimard, 1824 (pygmy shark) Genus Heteroscymnoides Fowler, 1934. Heteroscymnoides marleyi Fowler 1934 (long-nose pygmy shark) Genus Isistius T. N. Gill, 1865. Isistius brasiliensis Quoy & Gaimard ...
The use of sight probably varies with species and water conditions. The shark's field of vision can swap between monocular and stereoscopic at any time. [58] A micro-spectrophotometry study of 17 species of sharks found 10 had only rod photoreceptors and no cone cells in their retinas giving them good night vision while making them colorblind.
The great white shark (Carcharodon carcharias), also known as the white shark, white pointer, or simply great white, is a species of large mackerel shark which can be found in the coastal surface waters of all the major oceans. It is the only known surviving species of its genus Carcharodon.
The shark's eyes are placed one on each end of this T-shaped structure, with their small mouths directly centered and underneath. Most hammerhead species are placed in the genus Sphyrna, while the winghead shark is placed in its own genus, Eusphyra. Many different—but not necessarily mutually exclusive—functions have been postulated for the ...
The megamouth shark is an extremely rare species of deepwater shark, and the smallest of the three filter-feeding sharks. Since its discovery in 1976, only a few megamouth sharks have been seen, with 55 specimens known to have been caught or sighted as of 2012, including three recordings on film.
Thresher sharks are large mackerel sharks of the family Alopiidae found in all temperate and tropical oceans of the world; the family contains three extant species, all within the genus Alopias. All three thresher shark species have been listed as vulnerable by the World Conservation Union since 2007 (IUCN). [ 2 ]
Video above: Tail end of shark week celebrated at Shark Con. TAMPA, Fla. (WFLA) — Researchers have confirmed the existence of a new species of shark in South America.
The fossil "mega-toothed" sharks like megalodon have also traditionally been placed in Carcharodon, [5] but most current literature refutes this position, placing mega-toothed sharks in a separate family, Otodontidae, and genus, Otodus (Carcharocles). [3] [13] Carcharodon caifassii is the other species in genus Carcharodon. It is a debated ...