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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 International Whaling Commission released its first ever extinction alert to raise awareness surrounding the decreasing vaquita porpoise population.
Population Distribution Size Picture Pygmy killer whale: Feresa attenuata Gray, 1875: LC: Unknown [d] 160–350 kg (350–770 lb) Genus Globicephala – two species Common name Scientific name Status Population Distribution Size Picture Long-finned pilot whale: Globicephala melas Traill, 1809: LC: Unknown [e] (green) 1.8–3.5 t (2.0–3.9 ...
This is a list of the native wild mammal species recorded in Mexico.As of September 2014, there were 536 mammalian species or subspecies listed. Based on IUCN data, Mexico has 23% more noncetacean mammal species than the U.S. and Canada combined in an area only 10% as large, or a species density over 12 times that of its northern neighbors.
The area near the Colorado River Delta has a small remnant population of totoaba. This region has historically been a magnet for world-class sport fishing activities, with a rich history of sporting world records. The region also has a rich history as a commercial fishery. However, the data vary wildly according to the species being studied ...
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 ...
The totoaba's population growth is slow, with a minimum population doubling time of 4.5 to 15 years. [2] The totoaba spawn in the mouth of the Colorado River Delta, serving as a nursery of shallow, brackish waters for the young fish. [1] [14] The totoaba population is found in two distinct groups. Larval and juvenile stages occupying the ...
The U.N.’s previous population assessment, released in 2022, suggested that humanity could grow to 10.4 billion people by the late 2000s, but lower birth rates in some of the world’s largest ...