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Reversible epitoky in the life history of the polychaete Odontosyllis polycera (Schmarda 1861)

Published online by Cambridge University Press:  11 May 2009

John M. Daly*
Affiliation:
Department of Zoology, University of Canterbury, Christchurch, New Zealand
*
*Present address: Department of Zoology, University, Newcastle upon Tyne NE1 7RU, England.

Extract

The phenomenon of epitoky in polychaetes, in which maturing individuals of benthic species undergo metamorphosis and then swim to the surface of the sea for spawning, has been extensively documented (see Fage & Legendre, 1927; Clark, 1961 for references). The death of individuals after spawning has been widely recorded and has been assumed to apply to all swarming species of polychaetes. However, Herpin (1925) recorded the survival of Pionosyllis lamelligera and Eusyllis blomstrandi after they had swarmed and spawned. He noted the loss of the swimming chaetae present at the time of spawning and that the individuals survived for some time. Goodrich (1933) found that individuals of Odontosyllis enopla survived swarming and considered that they might live to breed again.

Information

Type
Research Article
Copyright
Copyright © Marine Biological Association of the United Kingdom 1975

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