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Differences in morphology, survival and size between self- and cross-fertilized larvae of Mytilus galloprovincialis

Published online by Cambridge University Press:  11 May 2009

A.R. Beaumont  and
A.K.M. Matin-Abdul
A.R. Beaumont
Affiliation:
School of Ocean Sciences, University of Wales Bangor, Menai Bridge, Gwynedd, Wales, LL59 5EY
A.K.M. Matin-Abdul
Affiliation:
School of Ocean Sciences, University of Wales Bangor, Menai Bridge, Gwynedd, Wales, LL59 5EY
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Abstract

The serendipitous detection of a rare hermaphrodite individual of Mytilus galloprovincialis during the process of spawning in the laboratory enabled self- and cross-fertilization to be achieved. Self-fertilized larvae exhibited significantly higher percentages of morphological abnormality at 3 d, lower survival at 9 d and decreased size at 31 d of age compared with cross-fertilized larvae. These results are discussed in the light of equivocal evidence for inbreeding depression in larvae derived from self-fertilization, full-sib matings and gynogenesis in other bivalves.

Type
Short Communications
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 74 , Issue 2 , May 1994 , pp. 445 - 448
Copyright
Copyright © Marine Biological Association of the United Kingdom 1994

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