Size heterogeneity can reduce aggression and promote growth in Atlantic salmon parr

Abstract

Aggression in groups of 0+ Atlantic salmon (Salmo salar) was monitoredat weekly intervals in two tanks containing 100 fish each. Three 1 + salmonparr were added to one of these. After 5 weeks, fish weights were measuredin both tanks and the conditions reversed. At ten weeks, weights of fish inboth tanks were measured again. In both populations, levels of… (More)
DOI: 10.1023/A:1009255612529

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