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Ground sharks, like this blacknose shark, have a nictitating membrane which can be drawn over the eye to protect it.. Carcharhiniformes / k ɑːr k ə ˈ r aɪ n ɪ f ɔːr m iː z /, commonly known as Ground Sharks, are the largest order of sharks, with over 270 species.
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.
Somniosus rostratus A. Risso, 1827 (little sleeper shark) Somniosus sp. A Not yet described (long-nose sleeper shark) Genus Zameus D. S. Jordan & Fowler, 1903. Zameus squamulosus Günther, 1877 (velvet dogfish) Family Squalidae (dogfish sharks) Genus Cirrhigaleus S. Tanaka (I), 1912. Cirrhigaleus asper Merrett, 1973 (rough-skin spurdog)
The great white shark had never been successfully held in captivity for long periods of time until September 2004, when the Monterey Bay Aquarium successfully kept a young female for 198 days before releasing her. Most species are not suitable for home aquaria, and not every species sold by pet stores are appropriate.
The two living species are the shortfin mako shark (I. oxyrinchus) and the longfin mako shark (I. paucus). They range in length from 2.5 to 4.5 m (8.2 to 14.8 ft), [citation needed] and have an approximate maximum weight of 680 kg (1,500 lb). [citation needed] They both have a distinctive blue-gray color scheme common among mackerel sharks.
Galapagos shark: Carcharhinus galapagensis (Snodgrass & Heller, 1905) Least concern 3 m (9.8 ft) maximum 3.3 m (11 ft) Pondicherry shark: Carcharhinus hemiodon (J. P. Müller & Henle, 1839) Critically endangered 1 m (3.3 ft) Human's whaler shark: Carcharhinus humani (W. T. White & Weigmann, 2014) Data deficient 0.8 m (2.6 ft) Finetooth shark
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 Lamnidae are the family of mackerel sharks known as white sharks. [2] They are large, fast-swimming predatory fish found in oceans worldwide, though they prefer environments with colder water. The name of the family is formed from the Greek word lamna , which means "fish of prey", and was derived from the Greek legendary creature , the Lamia .