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Rhizogeton Nudum (Cnidaria: Hydroida) in the British Isles

Published online by Cambridge University Press:  11 May 2009

D. Jones
D. Jones
Affiliation:
Biological Sciences Division, Institute of Environmental and Biological Sciences, Lancaster University, Lancaster, LAI 4YQ
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Extract

Specimens of a hydroid species previously unrecorded in Britain have been found during the course of a long-term study of the coelenterate fauna of an intertidal mussel bed in Morecambe Bay, Lancashire. Specimens were sent for examination to Professor J. Bouillon who indentified them as Rhizogeton nudum Broch.

The location and nature of the mussel bed, and the survey technique, have been described elsewhere (Jones & Miller, 1966; Jones & Clare, 1977; Jones, 1987). Rhizogeton nudum was observed in April and May 1987–91 and March 1989, on boulders where it was invariably associated with Clava multicomis (Forskal) and, more commonly, on mussel shells attached to these boulders. The few colonies recorded on boulders may have spread by stolon growth from attached shells.

Type
Short Communications
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 72 , Issue 3 , August 1992 , pp. 721 - 722
Copyright
Copyright © Marine Biological Association of the United Kingdom 1992

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References

Antsulevich, A.E. & Polteva, D.G., 1986. Hydroids of the genus Rhizogeton (Athecata, Clavidae) in the fauna of the USSR. Zoologichesky Zhurnal, 65, 965–972.Google Scholar
Broch, H., 1909. Die hydroiden der arktischen meere. Fauna Arctica, 5, 129–248.Google Scholar
Jones, D., 1987. Distribution and abundance of the starfish Asterias rubens L. on an intertidal mussel bed in Morecambe Bay, Lancashire. The Naturalist, 112 (981), 59–65.Google Scholar
Jones, D. & Clare, J., 1977. Annual and long-term fluctuations in the abundance of fish species inhabiting an intertidal mussel bed in Morecambe Bay, Lancashire. Zoological Journal of the Linnean Society, 60, 117–172.CrossRefGoogle Scholar
Jones, D. & Miller, P.J., 1966. Seasonal migrations of the Common Goby, Potnatoschistus microps (Krayer), in Morecambe Bay and elsewhere. Hydrobiologia, 27, 515–528.CrossRefGoogle Scholar