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Oncorhynchus rastrosus (originally described as Smilodonichthys rastrosus [2]) also known as the saber-toothed salmon (now known to be a misnomer), [3] or spike-toothed salmon [1] is an extinct species of salmon that lived along the Pacific coast of North America and Japan. [4]
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Extinct in the 1990s due to habitat destruction and fragmentation. [8] Flat pigtoe: Pleurobema marshalli: Tombigbee River, Mississippi and Alabama Extinct in 1984 due to loss of all habitat through impoundment or channelization. [8] Rio Grande monkeyface: Rotundaria couchiana: Rio Grande Extinct in the early 1900s due to habitat degradation. [8 ...
Oncorhynchus is a genus of ray-finned fish in the subfamily Salmoninae of the family Salmonidae, native to coldwater tributaries of the North Pacific basin. The genus contains twelve extant species, namely six species of Pacific salmon and six species of Pacific trout, all of which are migratory (either anadromous or potamodromous) mid-level predatory fish that display natal homing and ...
Eight of the extinct bird species were found in Hawaii, including the Po`ouli, which was last seen in 2004. The Po`ouli is the most recently seen species of all 21 animals on the list.
That's how the three giant salmon carp found in the Mekong River and a tributary in Cambodia between 2020 and 2023 came to the attention of researchers. “I was really surprised and excited to see the real fish for the first time,” said Bunyeth Chan, a study co-author and researcher at Svay Rieng University in Cambodia.
This is a complete list of critically endangered fish species and subspecies evaluated by the IUCN. Species considered possibly extinct by the IUCN are marked as such. Species and subspecies which have critically endangered subpopulations (or stocks) are indicated.
In some recent sleuthing by salmon scientists, more than 3.4 California hatchery salmon of all runs were marked beginning last spring by coded wire tags to follow their whereabouts.