part may be reproduced without the written permission. The vaquita (Phocoena sinus), literally "little cow", is a species of porpoise endemic to the northern end of the Gulf of California (Sea of Cortez, Vermilion Sea). Other species include the narwhal, mountain gorilla, and native foxes in California's Channel Islands. The vaquita (Phocoena sinus) is a critically endangered porpoise species native to the Gulf of California. We do not guarantee individual replies due to extremely high volume of correspondence. [3][4], The vaquita was first described as a species by two zoologists, Kenneth S. Norris and William N. McFarland, in 1958 after studying the morphology of skull specimens found on the beach. WhatsApp. Prominent black patches surround its lips and eyes. WWF is urgently working to ensure they can live and thrive in their natural habitat. [21], To date, efforts have been unsuccessful in solving the complex socioeconomic and environmental issues that affect vaquita conservation and the greater Gulf of California ecosystem. Life expectancy is estimated at about 20 years and age of sexual maturity is somewhere between 3 and 6 years of age. “If Mexico does not take serious, immediate, and concerted action to increase enforcement, the vaquita may be extinct by next year,” the complaint states. "The species, even now, is probably perfectly capable of surviving," said Phil Morin, research geneticist at NOAA Fisheries' Southwest Fisheries Science Center and lead author of the new study published this week in Molecular Ecology Resources. documentary video)",, IUCN Red List critically endangered species, Creative Commons Attribution-ShareAlike License, This page was last edited on 1 December 2020, at 06:09. "They've survived like this for at least 250,000 years," said Barbara Taylor, research scientist at the Southwest Fisheries Science Center. Vaquita (Phocoena sinus) is the most endangered marine mammal on Earth. [4], Little is known about the life history of this species. Your email address is used only to let the recipient know who sent the email. [17][18] However, the biggest threat still towards vaquita are fisheries. Facebook. [9][10] It is thought that vaquitas have a polygynous mating system in which males compete for females. [15], Predation on vaquita by sharks has also been reported from fishermen, who have seen whole or parts of individuals in the stomachs of caught sharks however no quantitative analysis is readily available. [4], Vaquitas are generalists, foraging on a variety of demersal fish species, crustaceans, and squids, though benthic fish such as grunts and croakers make up most of the diet. They only live in the waters around Mexico. The name comes from the easily recognizable dark circles around the porpoise’s eyes and lips. We shouldn't be so pessimistic. Today, the species is on the brink of extinction. Pinterest. Neither your address nor the recipient's address will be used for any other purpose. Last week marked the completion of a collaborative effort aimed at removing abandoned fishing gear from the habitat of the critically endangered vaquita porpoise. Apart from any fair dealing for the purpose of private study or research, no Necessary action includes habitat protection, resource management, education, fisheries enforcement, alternative livelihoods for fishermen, and raising awareness of the vaquita and associated issues.[4]. An increasing number of species in addition to the vaquita have maintained small but stable populations for long periods without suffering from inbreeding depression. Vaquitas have long survived and even thrived without falling into an "extinction vortex," the new study showed. "It's appearing to be more common than we thought that species can do just fine at low numbers over long periods," said Morin, who credited the vaquita findings to genetic experts around the world who contributed to the research. Averaging 150 cm (4.9 ft) (females) or 140 cm (4.6 ft) (males) in length, it is the smallest of all living cetaceans. The steep decline in abundance is primarily due to bycatch in gillnets from the illegal totoaba fishery. You can unsubscribe at any time and we'll never share your details to third parties. In recent decades, the sleek, wide-eyed vaquita porpoise has been pushed to the brink of extinction by poachers pursuing another critically endangered sea creature, the totoaba, a … Can you be injected with two different vaccines? The Vaquita Porpoise: A Conservation Emergency The vaquita porpoise (Phocoena sinus) is considered by most to be the rarest and most-endangered species of marine mammal in the world.
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