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Redescription of the leptomedusan Blackfordia virginica

Published online by Cambridge University Press:  11 May 2009

S. J. Moore
S. J. Moore
Affiliation:
Department of Zoology, British Museum (Natural History), Cromwell Road, London SW7 5BD
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Extract

Previous records of Blackfordia virginica, from river estuaries and marineconnected lagoonal systems, show the species to be euryhaline and eurythermal. The collection of the medusa in the estuary of the River Mira provides not only a second record for the eastern North Atlantic but also further evidence of the medusa's requirement for such conditions. It is known to tolerate salinities of 3–35‰ (distribution). Measurements of salinity in the Mira Estuary in April and November 1984, when the medusae were collected, were 15 and 32.5‰ respectively (J. Paula, personal communication).

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 67 , Issue 2 , May 1987 , pp. 287 - 291
Copyright
Copyright © Marine Biological Association of the United Kingdom 1987

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