Researchers have rediscovered a rare fish species presumed to be extinct after it was not seen for more than eight decades. The last sighting of the Chel snakehead, or Channa amphibeus ...

"Threatened" means a species is likely to become endangered within the foreseeable future. A listing evaluation may be initiated by a petition from an individual, organization, or state agency, or ...

For their sustenance, flying fish feed on a variety of foods, including plankton. There are at least 40 known species of flying fish. Beyond their useful pectoral fins, all have unevenly forked ...