Regulation of Cyanea capillata populations by predation on their planulae

A series of feeding trials was carried out, offering planula larvae of Cyanea capillata to three potential predators, Mnemiopsis leidyi, Mytilus edulis and Ciona intestinalis, alone or mixed with algae or copepods. Mussels and ascidians consumed planulae in significant numbers in all prey combinatio...

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Bibliographic Details
Published in:Journal of plankton research 2015-09, Vol.37 (5), p.1068-1073
Main Authors: Kuplik, Zafrir, Kerem, Dani, Angel, Dror L.
Format: Article
Language:English
Subjects:
Ciona intestinalis
Copepoda
Cyanea capillata
Marine
Mnemiopsis leidyi
Mytilus edulis
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Summary:A series of feeding trials was carried out, offering planula larvae of Cyanea capillata to three potential predators, Mnemiopsis leidyi, Mytilus edulis and Ciona intestinalis, alone or mixed with algae or copepods. Mussels and ascidians consumed planulae in significant numbers in all prey combination trials, whereas ctenophores did so only when planulae were offered as sole prey. These results suggest that grazing pressure on scyphozoan planulae may play an important role in regulating medusa blooms.
ISSN:0142-7873
1464-3774
DOI:10.1093/plankt/fbv064