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The vaquita (/ v ə ˈ k iː t ə / və-KEE-tə; Phocoena sinus) is a species of porpoise endemic to the northern end of the Gulf of California in Baja California, Mexico.Reaching a maximum body length of 150 cm (4.9 ft) (females) or 140 cm (4.6 ft) (males), it is the smallest of all living cetaceans.
The species is also called the Chinese river dolphin, ... Ganges shark - Another critically endangered freshwater animal in Asia; Vaquita - Another critically ...
Many porpoises, mainly the vaquita, are subject to great mortality due to gillnetting. Although it is the world's most endangered marine cetacean, the vaquita continues to be caught in small-mesh gillnet fisheries throughout much of its range.
The International Whaling Commission released its first ever extinction alert to raise awareness surrounding the decreasing vaquita porpoise population.
The critically endangered vaquita, the world's smallest porpoise and native to Mexico's Gulf of California, has been imperiled by illegal gill net fishing for an endangered fish called the totoaba ...
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The family Balaenidae, the right whales, contains two genera and four species. All right whales have no ventral grooves; a distinctive head shape with a strongly arched, narrow rostrum, bowed lower jaw; lower lips that enfold the sides and front of the rostrum; and long, narrow, elastic baleen plates (up to nine times longer than wide) with fine baleen fringes.
Spinner dolphins are in turn preyed on by sharks. Other possible predators include the killer whale , the false killer whale , the pygmy killer whale and the short-finned pilot whale . [ 16 ] They are susceptible to parasites , and are known to exhibit both external ones like barnacles and remoras , and internal ones, like nematodes ...