The influence of dominance and diet on individual odours in MHC identical juvenile Arctic charr siblings

No difference in attraction was observed in sibling Artic charr Salvelinus alpinus between water scented by dominant or subordinate major histocompability complex (MHC) identical fish observed in a two-choice fluviarium. In a second experiment, MHC identical sibling donors were given different types...

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Bibliographic Details
Published in:Journal of Fish Biology
Main Authors: Olsen, KH, Grahn, M, Lohm, Jakob
Format: Article in Journal/Newspaper
Language:English
Published: Wiley-Blackwell 2003
Subjects:
Ecology
individual odours
dominance
Arctic charr
diet
MHC
siblings
Arctic
Salvelinus alpinus
Online Access:https://lup.lub.lu.se/record/297909
https://doi.org/10.1046/j.1095-8649.2003.00185.x
Description
Summary:No difference in attraction was observed in sibling Artic charr Salvelinus alpinus between water scented by dominant or subordinate major histocompability complex (MHC) identical fish observed in a two-choice fluviarium. In a second experiment, MHC identical sibling donors were given different types of food pellets before the preference test. The test fish showed a significant attraction to the sibling given the same kind of food as the test fish itself during the first 6 h of the fluviarium tests. The results suggest that diet has an influence on the odours released and can, in addition to MHC related odours, be used for information relating to group member identity. (C) 2003 The Fisheries Society of the British Isles.

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