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Notes on Cyanea Caught in the Ring-trawl in the Plymouth Area during the Years 1925 to 1930

Published online by Cambridge University Press:  11 May 2009

F. S. Russell
F. S. Russell
Affiliation:
Naturalist at the Plymouth Laboratory.
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Extract

During the researches on the vertical distribution of plankton and on the-seasonal abundance of young fish, a record was kept of all Cyanea lamarcki Péron and Lesueur occurring in the catches of the 2-metre stramin ring-trawl. This was primarily for correlation with the abundance of such fish as the young whiting, Gadus merlangus, which at certain stages in. their development shelter under the umbrella of the medusa. Since it is only with the larger Cyanea that this association of the young whiting exists it was necessary to keep a record of the sizes of the Cyanea occurring in the catches. These were only rough measurements and denote the diameter of the flattened disc of the medusa usually to the nearest half-inch.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 17 , Issue 2 , September 1931 , pp. 573 - 576
Copyright
Copyright © Marine Biological Association of the United Kingdom 1931

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References

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