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The first comprehensive vaquita survey throughout their range took place in 1997 and estimated a population of 567 individuals. [20] By 2007 abundance was estimated to have dropped to 150. [ 21 ] Population abundance as of 2018 was estimated at less than 19 individuals. [ 22 ]
The International Whaling Commission released its first ever extinction alert to raise awareness surrounding the decreasing vaquita porpoise population.
The only critically endangered species that are neither rodents nor shrews are the Cozumel Island raccoon and the vaquita. The vaquita population estimate has dropped below 100 as of 2014 and it is regarded as being in imminent danger of extinction. [2] [3]
As part of last-ditch effort of saving the extremely rare vaquita (the tiny remaining population is rapidly declining because of bycatch in gillnets), there have been attempts of transferring some to captivity. [41] [46] The first and only caught for captivity were two females in 2017. Both became distressed and were rapidly released, but one ...
Population Distribution Size Picture Humpback whale: Megaptera novaeangliae Borowski, 1781: LC: 84,000 25–30 t (28–33 short tons) Genus Eschrichtius Gray, 1864 – one species Common name Scientific name Status Population Distribution Size Picture Gray whale: Eschrichtius robustus Lilljeborg, 1861: LC: 21,000 [19] 15–40 t (17–44 short tons)
[33] [34] The vaquita porpoise, discovered in 1958, has become the most endangered marine species. Over half the population has disappeared since 2012, leaving 100 left in 2014. [35] The vaquita frequently drowns in fishing nets, which are used illegally in marine protected areas off the Gulf of Mexico. [36]
the desert pupfish, also listed as an endangered species in the U.S., the largest remaining population anywhere is in the Ciénega de Santa Clara [9] the Yuma rail, also listed as endangered in the U.S. the bobcat; the vaquita porpoise, the world's smallest marine cetacean, listed as a species of special concern by the U.S. Marine Mammal ...
[248] [249] The vaquita is the smallest of all the porpoises, and its ≈30 remaining individuals, [250] [251] inhabit the extreme northern part of the Sea of Cortez (Gulf of California) in Mexico. The species is being decimated as bycatch of the totoaba fish—another critically endangered animal endemic of the Sea of Cortez—promoted in the ...