Sex differences in the responses to oviposition site cues by a fish revealed by tests with an artificial host

Phillips, A., Reichard, M. and Smith, C. ORCID: 0000-0003-3285-0379, 2017. Sex differences in the responses to oviposition site cues by a fish revealed by tests with an artificial host. Animal Behaviour, 126, pp. 187-194. ISSN 0003-3472

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Abstract

Oviposition decisions can have important fitness consequences for offspring. We investigated the responses of European bitterling, Rhodeus amarus, a freshwater fish that spawns in the gills of living unionid mussels, to oviposition site cues. Using an artificial mussel, we manipulated the flow velocity, dissolved oxygen concentration and odour cues of mussels presented to pairs of R. amarus. Females responded positively to mussel odour and to dissolved oxygen cues. Male response was dependent on mussel odour and the flow velocity of water emerging from the artificial mussel. These responses are potentially adaptive, with females responding to cues that indicate the quality of oviposition sites for incubation of eggs. Males responded to cues with implications for optimal sperm allocation.

Item Type: Journal article
Publication Title: Animal Behaviour
Creators: Phillips, A., Reichard, M. and Smith, C.
Publisher: Elsevier Ltd. on behalf of The Association for the Study of Animal Behaviour
Date: April 2017
Volume: 126
ISSN: 0003-3472
Identifiers:
NumberType
10.1016/j.anbehav.2017.02.011DOI
S0003347217300489Publisher Item Identifier
Divisions: Schools > School of Animal, Rural and Environmental Sciences
Depositing User: Jill Tomkinson
Date Added: 12 Aug 2019 15:32
Last Modified: 12 Aug 2019 15:32
URI: http://irep.ntu.ac.uk/id/eprint/37247

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