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Is the scyphomedusa Cyanea capillata (L.) dependent on gelatinous prey for its early development?
Bämstedt, U.; Ishii, H.; Martinussen, M.B. (1997). Is the scyphomedusa Cyanea capillata (L.) dependent on gelatinous prey for its early development? Sarsia 82: 269-273
In: Sarsia. University of Bergen. Universitetsforlaget: Bergen. ISSN 0036-4827, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • Bämstedt, U.
  • Ishii, H.
  • Martinussen, M.B.

Abstract
    Newly released ephyrae of the scyphomedusa Cyanea capillata did not grow on either Artemia nauplii or copepod dominated mixed zooplankton, but grew with an average rate of 16.5 % day -1 (maximum of 30.6 % day -1 ) with a ctenophore as food. The two first food types did not generate medusae with normal development of tentacles and oral arms over a seven-week period, whereas the ctenophore food did. We suggest that availability of gelatinous prey for newly released ephyrae is a bottleneck in the development, making constraints on the population succession and at least partly explaining interannual variations in abundance of C. capillata.

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