Oncorhynchus masou formosanus

Oncorhynchus masou formosanus
Conservation status
	; Critically Endangered (IUCN 2.3)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Salmoniformes
Family:	Salmonidae
Genus:	Oncorhynchus
Species:	O. masou
Subspecies:	O. m. formosanus
Trinomial name
	Oncorhynchus masou formosanus; (D. S. Jordan & Ōshima, 1919)

Oncorhynchus masou formosanus, the Formosan landlocked salmon^[1] or Taiwanese salmon, is a freshwater salmonid fish endemic to Taiwan.

The Formosan landlocked salmon is a subspecies of the more widespread West-Pacific cherry salmon (or masu salmon). This Taiwanese subspecies is critically endangered, being at high risk for extinction, and is protected in its native habitat. The Formosan land-locked salmon is one of the rarest fish in the world. It was once a staple of the Taiwanese aborigine diet. Overfishing has led to its decline. Conservationists are trying to save this subspecies which is threatened nowadays mainly by pollution. By 1992, there were only 200 remaining according to official count. Over the next 20 years, the Taiwanese government, the Shei-Pa National Park Administration, as well as effective conservation efforts in Taiwan, restored the fish population to historical high of 12,587 in 2020.^[2]

Formosan landlocked salmon are about a foot in length and inhabit cold, slow-flowing streams with gently sloping beds at elevations above 1,500 metres (4,900 ft), such as the Chichiawan Stream and the Kaoshan Stream (formerly named Hsuehshan Stream/Wuling Stream) in the upper reaches of the Tachia River, within the ranges of Shei-Pa National Park.

The taxonomic rank of the endemic Taiwanese salmon is in dispute.^[3] Some authors consider it not distinct from the nominate cherry salmon (O. masou masou), others as a regional subspecies O. masou formosanus, and still others list is as a full species O. formosanus.

At this time, these salmon represent the southernmost natural distribution of members of the family Salmonidae in Asia.

Notes

^ Yan HY (2000) Threatened fishes of the world: Oncorhynchus masou formosanus (Jordan & Oshima, 1919) (Salmonidae) Environmental Biology of Fishes 57:314.
^ 吳, 姿賢. "復育有成櫻花鉤吻鮭數量創新高". udn.com. 聯合報. Retrieved 19 June 2022.
^ Kottelat, M. (1996). "Oncorhynchus formosanus". IUCN Red List of Threatened Species. 1996: e.T15323A4513507. doi:10.2305/IUCN.UK.1996.RLTS.T15323A4513507.en. Retrieved 16 November 2021.

References

Froese, Rainer, and Daniel Pauly, eds. (2010). Oncorhynchus masou formosanus in FishBase. April 2010 version.

Error: "Q704366" is not a valid Wikidata entity ID.

This Salmonidae article is a stub. You can help Justapedia by expanding it.

[1] Yan HY (2000) Threatened fishes of the world: Oncorhynchus masou formosanus (Jordan & Oshima, 1919) (Salmonidae) Environmental Biology of Fishes 57:314.

[2] 吳, 姿賢. "復育有成櫻花鉤吻鮭數量創新高". udn.com. 聯合報. Retrieved 19 June 2022.

[3] Kottelat, M. (1996). "Oncorhynchus formosanus". IUCN Red List of Threatened Species. 1996: e.T15323A4513507. doi:10.2305/IUCN.UK.1996.RLTS.T15323A4513507.en. Retrieved 16 November 2021.

[1]

[2]

[3]

v t e Salmon
Groups and species	Salmonidae 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	Alaska salmon fishery Aquaculture of salmon Fly fishing bibliography Environmental issues with salmon Old McKenzie Fish Hatchery Pacific Salmon War Pre-spawn mortality in coho salmon Puget Sound salmon Putcher Putcher fishing Salmon conservation Salmon run June hogs
As food	Cured salmon Gravlax Lohikeitto Lomi salmon Lox Rui-be Salmon burger Salmon tartare Smoked salmon
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
Related	Ceasg Salmon cannery Salmon (book) Salmon (color) Salmon of Knowledge Salmon Fishing in the Yemen The Salmon Fly The Big Fish

Oncorhynchus masou formosanus

See also

Notes

References

Navigation menu