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With 79% of the Earth's surface covered by water, research into the chemistry of marine organisms is relatively unexplored and represents a vast resource for new medicines to combat major diseases such as cancer, AIDS or malaria. Research typically focuses on sessile organisms or slow moving animals because of their inherent need for chemical ...
This List of National Fish Hatcheries in the United States includes the 70 National Fish Hatcheries, seven Fish Technology Centers and nine Fish Health Centers that are administered as components of the National Fish Hatchery System by the U.S. Fish and Wildlife Service.
Lists of the fish of the United States. Pages in category "Lists of fishes of the United States" The following 28 pages are in this category, out of 28 total.
Freshwater fish of the United States (2 C, 364 P) ' Lists of fishes of the United States (28 P) ...
Fish of the United States (8 C, 72 P) Pages in category "Fish of North America" The following 96 pages are in this category, out of 96 total.
After the appearance of jawed fish (placoderms, acanthodians, sharks, etc.) about 420 million years ago, most ostracoderm species underwent a decline, and the last ostracoderms became extinct at the end of the Devonian period. More recent research indicates that fish with jaws had far less to do with the extinction of the ostracoderms than ...
List of threatened and endangered arthropods, including insects, arachnids, and crustaceans under the United States Endangered Species Act as of October 2013. [1] Key to Listing Status codes: [2] E - Endangered. An animal or plant species in danger of extinction throughout all or a significant portion of its range. T - Threatened. An animal or ...
The Arctic cisco (Coregonus autumnalis), also known as Arctic omul (Russian: Омуль), is an anadromous species of freshwater whitefish that inhabits the Arctic parts of Siberia especially Yenisey Gulf.