Male size composition affects male reproductive variance in Atlantic cod Gadus morhua L. spawning aggregations

Estimates of Atlantic cod Gadus morhua reproductive success, determined using experimental spawning groups and genetic paternity assignment of offspring, showed that within-group variance in male size correlated positively with the degree of male mating skew, predicting a decrease in male reproducti...

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Bibliographic Details
Published in:Journal of Fish Biology
Main Author: Bekkevold, Dorte
Format: Article in Journal/Newspaper
Language:English
Published: 2006
Subjects:
Online Access:https://orbit.dtu.dk/en/publications/ae219ecc-88d3-455b-89d7-1b8544923546
https://doi.org/10.1111/j.1095-8649.2006.01140.x
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Summary:Estimates of Atlantic cod Gadus morhua reproductive success, determined using experimental spawning groups and genetic paternity assignment of offspring, showed that within-group variance in male size correlated positively with the degree of male mating skew, predicting a decrease in male reproductive skew with decreasing size variation among males under natural conditions. (c) 2006 The Author Journal compilation (c) 2006 The Fisheries Society of the British Isles