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As of September 2016, the International Union for Conservation of Nature (IUCN) lists 65 extinct fish species, 87 possibly extinct fish species, and six extinct in the wild fish species. [ 1 ] [ 2 ] Cartilaginous fish
Among the fish that have been caught were about equal numbers of males and females. [8] Population estimates range from 210 individuals per population to 500 per population. [ 8 ] [ 67 ] Because coelacanths have individual color markings, scientists think that they recognize other coelacanths via electric communication .
Dunkleosteus is an extinct genus of large arthrodire ("jointed-neck") fish that existed during the Late Devonian period, about 382–358 million years ago.It was a pelagic fish inhabiting open waters, and one of the first vertebrate apex predators of any ecosystem.
Photos of the fish and its telltale identifiers – an odd-shaped mouth and a protruding knob at its jaw – seemed to confirm it. But the fish, which can grow as large as 66 pounds, was sold ...
Related: Extinct Fish Species That Existed Over 420 Million Years Ago Found Alive in the Indian Ocean Owyn Snodgrass, Fisheries Research Biologist/NOAA Southwest Fisheries Science Center A close ...
The United States declared blue walleye an endangered species in 1967, [5] [6] [7] and extinct in 1983. [8] [6] [9] A 2014 genetic study of 1,181 preserved "historic" walleye (70 to 90 years old), blue walleye/blue pike, and modern walleye found no evidence for concluding that blue walleye/blue pike were genetically distinct from other walleye ...
The Chinese paddlefish was officially declared extinct in 2022, with an estimated time of extinction to be by 2005, and no later than 2010, although it had become functionally extinct by 1993. [ 1 ] [ 4 ] The main cause of its extinction was the construction of the Gezhouba and Three Gorges dams , causing population fragmentation and blocking ...
The BBC notes, "of the 41 communities researchers studied, arapaima populations were extinct in eight of them." And the giant fish, which typically weighs in at more than 400 pounds, is rapidly ...