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Critically endangered (CR) species face an extremely high risk of extinction in the wild. As of July 2017, the International Union for Conservation of Nature (IUCN) listed 1,000 critically endangered fish species, including 87 which are tagged as possibly extinct. [1] [2] Of all evaluated fish species, 3.0% are listed as critically endangered ...
A species may be endangered or vulnerable, but not considered rare if it has a large, dispersed population. IUCN uses the term "rare" as a designation for species found in isolated geographical locations. Rare species are generally considered threatened because a small population size is less likely to recover from ecological disasters.
Endangered (EN) species are considered to be facing a very high risk of extinction in the wild. In September 2016, the International Union for Conservation of Nature (IUCN) listed 643 endangered fish species. [1] Of all evaluated fish species, 4.2% are listed as endangered. The IUCN also lists ten fish subspecies as endangered.
Spade-toothed whales are the world’s rarest, with no live sightings ever recorded. ... marine technical adviser for the Department of Conservation, said. ... DNA sequencing in 2002 proved that ...
A mysterious shark that may count as the world’s largest predatory fish appears to be in decline off the U.S., prompting a rush to gather as much information as possible about the secretive ...
The following is a list of currently existing (or, in the jargon of taxonomy) 'extant' species of the infraorder cetacea (for extinct cetacean species, see the list of extinct cetaceans). The list is organized taxonomically into parvorders , superfamilies when applicable, families , subfamilies when applicable, genus , and then species.
A quarter of the world's maritime traffic passes through the Mediterranean, along extremely dense routes where ships – like marine species – are regularly concentrated by narrow straits (the Dardanelles, the Otranto Channel, the Strait of Messina, the Corsica Channel, the Sicily Channel, the Mouths of Bonifacio, the Corinth Channel and, of ...
Extinct in the wild species. Kunimasu (Oncorhynchus kawamurae) Beloribitsa (Stenodus leucichthys) Toothcarps. Extinct species. Gölçük toothcarp (Anatolichthys ...