
Smoltification (also known as Parr-Smolt transformation) is the series of physiological changes where juvenile salmonid fish adapt from living in fresh water to living in seawater. Physiological changes during smoltification include altered body shape, increased skin reflectance (silvery colouration), and increased Na+/K+-ATPase in the gills. A nu...
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http://en.wikipedia.org/wiki/Smoltification

The physiological process undergone by salmonid (salmon and trout) fish to allow them to migrate from freshwater to seawater as part of their lifecycle.
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http://www.encyclo.co.uk/local/20740

<marine biology> Suite of physiological, morphological, biochemical and behavioural changes, including development of the silvery colour of adults and a tolerance for seawater, that take place in salmonid parr as they prepare to migrate downstream and enter the sea. ... (09 Oct 1997) ...
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http://www.encyclo.co.uk/local/20973

Refers to the physiological changes anadromous salmonids and trout undergo in freshwater while migrating toward saltwater that allow them to live in the ocean.
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http://www.encyclo.co.uk/local/21804

a complex developmental transformation, involving physiological, biochemical, morphological, and behavioral changes, that allows young salmon (parr) to transition from living in freshwater to living in saltwater
Found on
http://www.nmfs.noaa.gov/pr/glossary.htm

process of changes that young salmon undergo when they get ready to live in salt water
Found on
https://sciencetrek.org/sciencetrek/topics/salmon/glossary.cfm

The physical transformation undergone by salmonid (salmon and trout) fish to enable them to migrate from freshwater to seawater as part of their lifecycle.
Found on
https://www.sustainweb.org/goodcatch/glossary_of_seafood_terms/
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