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The snaggletooth shark, or fossil shark (Hemipristis elongata), is a species of weasel shark in the family Hemigaleidae, and the only extant member of the genus Hemipristis. It is found in the Indo-West Pacific, including the Red Sea, from southeast Africa to the Philippines, north to China, and south to Australia, at depths from 1 to 130 meters.
It contains one extant species, the snaggletooth shark (H. elongata) and several extinct species. Hemipristis has two distinct types of teeth in each section of its jaw. The ones on the upper jaw act as knives, cutting through the flesh of the prey, while the pointed ones on the bottom act as forks, spearing the prey and holding it down.
Most species are small, reaching no more than 1.4 m (4.6 ft) long, though the snaggletooth shark (Hemipristis elongatus) may reach 2.4 m (7.9 ft). They have horizontally oval eyes, small spiracles, and precaudal pits. Two dorsal fins occur with the base of the first placed well forward of the pelvic fins.
Hemipristis serra is an extinct species of weasel shark which existed during the Miocene epoch. It was described by Louis Agassiz in 1843. [ 1 ] While today's snaggletooth shark is not very large or dangerous, Hemipristis serra , which lived in the Atlantic Ocean during the Oligocene and Miocene, was considerably larger than its modern-day ...
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.
Snaggletooth (fish), predatory fish of the genus Astronesthes; Snaggletooth shark, Hemipristis elongatus, is a species of weasel shark, family Hemigaleidae, and the only extant member of the genus Hemipristis; Snagglepuss, originally known as "Snaggletooth", a Hanna-Barbera cartoon character
FAO (2000) Conservation and Management of Sharks Technical Guidelines for Responsible Fisheries, Rome. ISBN 92-5-104514-3.; Fowler SL, Cavanagh RD, Camhi M, Burgess GH, Cailliet GM, Fordham SV, Simpfendorfer CA and Musick JA (comp. and ed.) (2005) Sharks, Rays and Chimaeras: The Status of the Chondrichthyan Fishes IUCN Shark Specialist Group, Status Survey.
Howling winds, cold temperatures and even the chance of heavy snow could be in store for many Americans across the country as they gather for their Thanksgiving feasts next week. Forecasters said ...
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