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Smoltification in the net‐pen culture of accelerated coho salmon, Oncorhynchus kisutch Walbaum: prediction of saltwater performance
Author(s) -
Saxton A. M.,
Iwamoto R. N.,
Hershberger W. K.
Publication year - 1983
Publication title -
journal of fish biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.672
H-Index - 115
eISSN - 1095-8649
pISSN - 0022-1112
DOI - 10.1111/j.1095-8649.1983.tb04758.x
Subject(s) - oncorhynchus , smoltification , salt water , fresh water , fishery , biology , aquaculture , shoaling and schooling , fish <actinopterygii> , salmonidae , environmental science , environmental engineering , salmo
Prediction of the success of coho salmon, Oncorhynchus kisutch , in making the transition from fresh water to salt water was investigated by the use of statistical comparisons between several freshwater variables and several measures of saltwater performance. Data were collected from two consecutive broodyears of coho salmon that were derived from a nested mating design, grown under enhanced rearing conditions, and raised in marine net‐pens. Equations were developed that could successfully predict percentage smolts and saltwater growth from morphological measurements taken in fresh water. However, saltwater survival was not predictable from these measurements. Criteria for predictive equations and the value of these calculations, as well as directions for future research, are discussed.