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New Observations on a Rare Physonect Siphonophore, Lychnagalma Utricularia (Claus, 1879)

Published online by Cambridge University Press:  11 May 2009

P.R. Pugh  and
G. R. Harbison
P.R. Pugh
Affiliation:
Institute of Oceanographic Sciences, Natural Environment Research Council, Brook Road, Wormley, Godalming, Surrey GU8 5UB
G. R. Harbison
Affiliation:
Woods Hole Oceanographic Institution, Woods Hole, Mass 02543, U.S.A.
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Extract

A rare physonect siphonophore, Lychnagalma utricularia (Claus, 1879), is redescribed from 24 specimens collected in the region of the Bahamas by the submersible D.S.R.V. ‘Johnson-Sea-Link II’. It was the most common siphonophore collected by the submersible, using its sophisticated sampling techniques. The paucity of previous records for the species, and thus its apparent rarity, is probably due to the extreme fragility of the animals which causes them to disintegrate on contact with nets. The status of the second species, L. vesicularia Haeckel, 1888, is reviewed and it is concluded that it should be reduced to a junior synonym of L. utricularia.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 66 , Issue 3 , August 1986 , pp. 695 - 710
Copyright
Copyright © Marine Biological Association of the United Kingdom 1986

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