Oncorhynchus rastrosus

Oncorhynchus rastrosus; Temporal range: Late Miocene to Pleistocene
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Salmoniformes
Family:	Salmonidae
Genus:	Oncorhynchus
Species:	†O. rastrosus
Synonyms
	Smilodonichthys rastrosus

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Oncorhynchus rastrosus (synonym Smilodonichthys rastrosus^[1]) also known as the sabertooth salmon,^[2] is an extinct species of salmon that lived along the Pacific coast of North America, first appearing in the late Miocene of California, then dying out some time during the Pleistocene. Adults grew to be 2.7 m (9 ft) in length and are believed to have been anadromous like their living relatives. Besides being the largest member of the Pacific salmon genus Oncorhynchus, members of this species had a pair of small "fangs" protruding from the tip of the snout, thus explaining the common name and synonym. Beyond their fangs, adults of O. rastrosus had larger gill rakers compared to their smaller, modern relatives, leading scientists to suggest that the adults ate plankton.^[3]

References

↑ Cavender, T., & Miller, R. R. (1972). Smilodonichthys rastrosus: A new Pliocene salmonid fish from Western United States. Museum of Natural History, University of Oregon.
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↑ Thomas P. Eiting, Gerald R. Smith, Miocene salmon (Oncorhynchus) from Western North America: Gill Raker evolution correlated with plankton productivity in the Eastern Pacific, Palaeogeography, Palaeoclimatology, Palaeoecology, Volume 249, Issues 3–4, 19 June 2007, Pages 412-424, ISSN 0031-0182

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[1] Cavender, T., & Miller, R. R. (1972). Smilodonichthys rastrosus: A new Pliocene salmonid fish from Western United States. Museum of Natural History, University of Oregon.

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[3] Thomas P. Eiting, Gerald R. Smith, Miocene salmon (Oncorhynchus) from Western North America: Gill Raker evolution correlated with plankton productivity in the Eastern Pacific, Palaeogeography, Palaeoclimatology, Palaeoecology, Volume 249, Issues 3–4, 19 June 2007, Pages 412-424, ISSN 0031-0182

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v t e Salmon
Groups and species	Salmon Salmonidae Adriatic salmon Atlantic salmon Black Sea salmon Pacific salmon Chum salmon Chinook salmon Coho salmon Masu salmon Pink salmon Steelhead Sockeye salmon Taiwanese salmon Danube salmon Sabertooth salmon Genetically modified salmon
Fisheries and management	Aquaculture of salmon Fly fishing bibliography Environmental issues with salmon Old McKenzie Fish Hatchery Pre-spawn mortality in coho salmon Puget Sound salmon Putcher Putcher fishing Alaska salmon fishery Salmon conservation Salmon run June hogs
As food	Salmon as food Cured salmon Gravlax Lohikeitto Lomi salmon Lox Rui-be Salmon burger Salmon cannery Salmon tartare Smoked salmon Images
Diseases and parasites	Diseases and parasites in salmon Amoebic gill disease Ceratomyxa shasta Gyrodactylus salaris Henneguya zschokkei Infectious salmon anemia virus M74 syndrome Myxobolus cerebralis Nanophyetus salmincola Salmon louse Sea louse Salmon tapeworm Sphaerothecum destruens Tetracapsuloides bryosalmonae
Organisations	Atlantic Salmon Federation Cook Inlet Aquaculture Association North Atlantic Salmon Conservation Organization Pacific Salmon Commission Welsh Salmon and Trout Angling Association Wild Salmon Center Yakima Klickitat Fisheries Project
Other	Ceasg H. Forman and Son (salmon smokehouse) Salmon (color) Salmon of Knowledge Salmon Fishing in the Yemen The Salmon Fly

Oncorhynchus rastrosus

References

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