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Jet propulsion of the calycophoran siphonophores Chelophyes and Abylopsis

  • Q. Bone (a1) and E. R. Trueman (a2)

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.

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B. M. Chain , Q. Bone & P. A. V. Anderson , 1981. An electrophysiological study of a myoid epithelium in Chelophyes (Coelenterata: Siphonophora). Journal of Comparative Physiology, 143, 329338.

S. Donaldson , G. O. Mackie & A. Roberts , 1980. Preliminary observations on escape swimming and giant neurons in Aglantha digitale (Hydromedusae: Trachylina). Canadian Journal of Zoology, 58, 549552.

W. B. Gladfelter , 1972. Structure and function of the locomotory system of Polyorchis montereyensis (Cnidaria, Hydrozoa). Helgoldnder wissenschaftliche Meeresuntersuchungen, 23, 3879.

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Journal of the Marine Biological Association of the United Kingdom
  • ISSN: 0025-3154
  • EISSN: 1469-7769
  • URL: /core/journals/journal-of-the-marine-biological-association-of-the-united-kingdom
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