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Article

The effect of growth rate on otolith-based discrimination of cod (Gadus morhua) ecotypes.

PloS one - 1 Jan 2021

Jónsson Einar Pétur, Campana Steven E, Sólmundsson Jón, Jakobsdóttir Klara B, Bárðarson Hlynur

Abstract excerpt

Otolith shape has previously been used to identify ecotypes within the Icelandic cod (Gadus morhua) stock, using DST profiles to validate the results. Fish otolith shape variation has repeatedly been found to be largely determined by growth rate. To examine the effect of growth rate on the relationship between otolith shape and cod ecotypes (using the Pan I genotype as a proxy for ecotype), 826 archived sagittal...

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PMID: 34587180
DOI: 10.1371/journal.pone.0247630
PMCID: PMC8480848

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