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The iridescent shark or iridescent shark catfish [5] (Pangasianodon hypophthalmus) is a species of shark catfish (family Pangasiidae) native to the rivers of Southeast Asia. Despite its name, it is not a shark. It is found in the Mekong basin as well as the Chao Phraya River, and is heavily cultivated for food there.
Two species in this genus are recognized: [1] Pangasianodon gigas Chevey, 1931 (Mekong giant catfish); Pangasianodon hypophthalmus (Sauvage, 1878) (iridescent shark); Despite local protection and quite widespread awareness of the giant catfish and its critically endangered status, the species is gravely threatened by the build-out of hydroelectric dams on the Mekong River and its tributaries ...
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 ]
It looks like this shark is straight out of the movie "Jaws." Marine biologist Hoyos Padilla recorded this incredible footage showing the biggest shark ever caught on camera, which is 20 feet long.
The biggest fish in the sea is taking to new waters. The whale shark can reach more than 40 feet in length and weigh up to 47,000 pounds! But these massive beings are actually quite harmless ...
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These tropical, small sharks are noted for their broad head shape. The largest species is the Port Jackson shark (Heterodontus portusjacksoni) of Australasian waters, at up to 1.65 m (5.4 ft) long and weighing up to 20 kg (44 lb). [35] Mackerel sharks (Lamniformes) The dramatically large mouth of the basking shark, the second largest living fish
Although a thresher shark, scientists hypothesized that A. palatasi may have looked similar to the great white shark.. A. palatasi is only known from isolated teeth. They are large, measuring up to an excess of 4 centimetres (2 in) in height and suggesting a shark that grew to similar sizes or was larger than the modern great white shark, [3] which grows between 3.3–4.8 metres (11–16 ft ...