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Jet propulsion of the calycophoran siphonophores Chelophyes and Abylopsis

Published online by Cambridge University Press:  11 May 2009

Q. Bone  and
E. R. Trueman
Q. Bone
Affiliation:
The Laboratory, Marine Biological Association, Citadel Hill, Plymouth, PL1 2PB
E. R. Trueman
Affiliation:
Department of Zoology, Williamson Building, Manchester University, Manchester, M13 9PL
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Extract

Jet propulsion in the small siphonophores Chelophyes and Abylopsis was investigated by measuring chamber pressures and thrust exerted in tethered nectophores, and by cinephotography of free swimming colonies. Although of similar design, the two siphon-ophores swim at different speeds, and with very different chamber pressures in the locomotor nectophores. Estimates of drag incurred during swimming, and of the cost of the process in the two forms are discussed.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 62 , Issue 2 , May 1982 , pp. 263 - 276
Copyright
Copyright © Marine Biological Association of the United Kingdom 1982

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References

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