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As of November 1, 2009, the United States Fish and Wildlife Service listed approximately 1,200 animals as endangered or threatened in North America.. Note: This list is intended only for species listed as endangered under the United States Endangered Species Act (ESA) and the United States Fish and Wildlife Service, not species listed as endangered by other countries or agencies such as the ...
The pallid sturgeon is one of the largest freshwater fish species in North America. They are generally between 30 and 60 inches (76 and 152 cm) in length and weigh as much as 85 pounds (39 kg). [3][4] The species is ancient and has remained virtually unchanged for 70 million years, since the Cretaceous period.
Freshwater fish are fish species that spend some or all of their lives in bodies of fresh water such as rivers, lakes and inland wetlands, where the salinity is less than 1.05%. These environments differ from marine habitats in many ways, especially the difference in levels of osmolarity. To survive in fresh water, fish need a range of ...
An IUCN Red List critically endangered (CR or sometimes CE) species is one that has been categorized by the International Union for Conservation of Nature as facing an extremely high risk of extinction in the wild. [1] As of 2021, of the 120,372 species currently tracked by the IUCN, there are 8,404 species that are considered to be critically ...
Miersia pacifica Holmes, 1895. Syncaris pacifica is an endangered species of freshwater shrimp in the family Atyidae that occurs only in a limited range within the northern San Francisco Bay Area, California, USA. Specifically, this species occurs only in 17 stream segments within Sonoma, Napa and Marin Counties.
American paddlefish are among the largest and longest-lived freshwater fishes in North America. [26] They have a shark-like body, average 1.5 m (4.9 ft) in length, weigh 27 kg (60 lb), and can live in excess of thirty years. [27] For most populations the median age is five to eight years and the maximum age is fourteen to eighteen years. [26]
This is a list of the bird and mammal species and subspecies described as endangered by the United States Fish and Wildlife Service. It contains species and subspecies not only in the U.S. and its territories, but also those only found in other parts of the world. It does not include endangered fish, amphibians, reptiles, plants, or invertebrates.
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 ...