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Salmon presents the history of salmon, both pertaining to its life cycle and presence in the animal food chain, as well as its impact on humans. [2] The book details how salmon has been used across various countries and cultures, including Japan, Colombia, and Scotland, [3] where it has been fished, and used as food and currency. [4]
When juvenile salmon migrate to the Pacific Ocean, the second host releases a stage infective to salmon. The parasite is then carried in the salmon until the next spawning cycle. The myxosporean parasite that causes whirling disease in trout has a similar life cycle. [75]
This section details the stages and the particular names used for juvenile salmon. Sac fry or alevin – The life cycle of salmon begins and usually also ends in the backwaters of streams and rivers. These are their spawning grounds, where salmon eggs are deposited for among the gravels of stream beds. The salmon spawning grounds are also the ...
Salmon swimming upstream in a river in Alaska. The survival of wild salmon relies heavily on them having suitable habitat for spawning and rearing of their young. [1] This habitat is the main concern for conservationists. Salmon habitat can be degraded by many different factors including land development, timber harvest, or resource extraction. [2]
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.
English: Life Cycle of Atlantic Salmon. Date: 11 February 2024: Source: Text labels: Own work Base image: File:Life cycle of the Atlantic salmon (simplified).gif: Author:
Alaskan pink salmon in its freshwater spawning phase. Global capture production of Pink salmon (Oncorhynchus gorbuscha) in thousand tonnes from 1950 to 2022, as reported by the FAO [23] The commercial harvest of pink salmon is a mainstay of fisheries of both the eastern and western North Pacific. In 2010, the total harvest was some 260 million ...
The kokanee salmon (Oncorhynchus nerka), also known as the kokanee trout, little redfish, silver trout, kikanning, Kennerly's salmon, Kennerly's trout, or Walla, [2] is the non-anadromous form of the sockeye salmon (meaning that they do not migrate to the sea, instead living out their entire lives in freshwater). There is some debate as to ...