Common names:
Trucha arco iris
Occurrence:
introduced
Salinity:
freshwater
Abundance:
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Ref:
Importance:
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Aquaculture:
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Regulations:
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Uses:
no uses
Comments:
Widely cultured in Patagonia since introduction, it has been transplanted to almost all waterbody of the country suitable for the species. It has become the most widely dispersed salmonid ranging from cold mountain streams and rivers at the Argentine tropics down to the tip of Tierra del Fuego. Recently reported in the province of Santa Cruz (Ref. 56821). Anadromous fish smolted at ages 2 and 3 years, matured after 1 to 2 years in the ocean, and survived up to 11 years, spawning up to 8 times. Non-anadromous fish survived up to 6 years, spawning up to 3 times (Ref. 74369). Also Ref. 1739.
National Checklist:
Argentina
Country Information:
https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ar.html
National Fisheries Authority:
Occurrences:
OccurrencesPoint map
Main Ref:
Lopez, H.L., R.C. Menni and A.M. Miguelarena, 1987
National Database:
Teleostei (teleosts) > Salmoniformes (Salmons) > Salmonidae (Salmonids) > Salmoninae
Etymology: Oncorhynchus:Greek, onyx, -ychos = nail + Greek, rhyngchos = snout (Ref. 45335); mykiss:Oncorhynchus=hooked snout; mykiss=a vernacular name for the species in Kamchatka, Russia (Ref. 79012). More on author: Walbaum.
Environment: milieu / climate zone / depth range / distribution range
Ecology
