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Pink salmon or humpback salmon, Oncorhynchus gorbuscha is a species of euryhaline ray-finned fish in the family Salmonidae. It is the type species of the genus Onchorhynchus (Pacific salmon), and is the smallest and most abundant of the seven officially recognized species of salmon. The species' scientific name is based on the Russian common name for this species gorbúša (горбуша), which literally means humpie! NatureServe lists the pink salmon as critically imperiled in California, and imperiled in Washington. In Alaska and British Columbia, they are considered secure. No pink salmon Evolutionary Significant Units are listed under the Endangered Species Act. Pink salmon are cold water fish with a preferred temperature range of 5.6 to 14.6 °C, an optimal temperature of 10.1 °C, and an upper incipient lethal temperature of 25.8 °C. The native range of the species is in the Pacific and Arctic coastal waters and rivers, from the Sacramento River in northern California to the Mackenzie River in Canada; and in the west from the Lena River in Siberia to Korea and Honshu in Japan. In North America, pink salmon spawn from the Mackenzie River in the Arctic to as far south as tributaries of Puget Sound, Washington, although they were also reported in the San Lorenzo River near Santa Cruz, California in 1915, and the Sacramento River in northern California in the 1950s. In 2013, a new record for the southernmost extent of spawning pink salmon was published for the Salinas River. In the fall of 2017, a dozen pink salmon were counted in Lagunitas Creek about 25 miles (40 km) north of San Francisco, California. Pink salmon were introduced into the Great Lakes of North America, where there are now self-sustaining populations, and in Iran. In Europe, pink salmon have been periodically introduced to rivers of the White Sea and Barents Sea basins in Russia since 1956. Stray fish from these rivers have been encountered ascending to rivers also in Norway, Sweden, Ireland, Great Britain, and Iceland; and, in Norway, even self-sustaining populations have been observed. In 2017, larger numbers than usual of this species were caught in rivers in Scotland and spawning was recorded. In 2021, they were reported to have invaded Akerselva in downtown Oslo, the capital of Norway. To learn more about cool fish like this follow & support the @cryptofish NFT project by @findurnemo .












