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The chum salmon (Oncorhynchus keta), also known as dog salmon or keta salmon, [1] is a species of anadromous salmonid fish from the genus Oncorhynchus (Pacific salmon) native to the coastal rivers of the North Pacific and the Beringian Arctic, and is often marketed under the trade name silverbrite salmon in North America.
The life cycle of salmon requires specific conditions within the chain of connected environments. Salmon typically live 3–6 years, which often changes depending on life conditions. While some salmon stay within the Puget Sound, others will migrate and live deeper in the Pacific Ocean. [ 9 ]
A grizzly bear ambushing a jumping salmon during an annual salmon run. A salmon run is an annual fish migration event where many salmonid species, which are typically hatched in fresh water and live most of their adult life downstream in the ocean, swim back against the stream to the upper reaches of rivers to spawn on the gravel beds of small creeks.
Salmonidae (/ s æ l ˈ m ɒ n ɪ d iː /, lit. ' salmon-like ') is a family of ray-finned fish that constitutes the only currently extant family in the order Salmoniformes (/ s æ l ˈ m ɒ n ɪ f ɔːr m iː z /, lit. "salmon-shaped"), consisting of 11 extant genera and over 200 species collectively known as "salmonids" or "salmonoids".
The myxosporean parasite that causes whirling disease in trout has a similar life cycle. [2] However, as opposed to whirling disease, the Henneguya infestation does not appear to cause significant incapacitation of the host salmon — even heavily infected fish tend to return to spawn successfully.
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Several Pacific salmon (Chinook, coho and Steelhead) have been introduced into the US Great Lakes, and have become potamodromous, migrating between their natal waters to feeding grounds entirely within fresh water. Life cycle of anadromous fish. From a U.S. Government pamphlet. (Click image to enlarge.)
Assynt salmon hatchery, near Inchnadamph in the Scottish Highlands Very young fertilised salmon eggs, notice the developing eyes and vertebral column. Salmon egg hatching: In about 24 hr, it will be a fry without the yolk sac. The aquaculture or farming of salmonids can be contrasted with capturing wild salmonids using commercial fishing ...