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Clytia hummelincki (Hydroidomedusae: Leptomedusae) in the Mediterranean Sea

Published online by Cambridge University Press:  18 December 2008

Cinzia Gravili*
Affiliation:
Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali, (Di.S.Te.B.A.), University of Salento, Via Prov. le Lecce-Monteroni, I-73100 Lecce, Italy
Paolo D'Ambrosio
Affiliation:
Marine Protected Area of Porto Cesareo, I-73010 Porto Cesareo (LE), Italy
Cristina Di Camillo
Affiliation:
Dipartimento di Scienze del Mare, Università Politecnica delle Marche, Via Brecce Bianche, I-60131 Ancona, Italy
Giuseppina Renna
Affiliation:
Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali, (Di.S.Te.B.A.), University of Salento, Via Prov. le Lecce-Monteroni, I-73100 Lecce, Italy
Jean Bouillon
Affiliation:
Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali, (Di.S.Te.B.A.), University of Salento, Via Prov. le Lecce-Monteroni, I-73100 Lecce, Italy
Ferdinando Boero
Affiliation:
Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali, (Di.S.Te.B.A.), University of Salento, Via Prov. le Lecce-Monteroni, I-73100 Lecce, Italy
*
Correspondence should be addressed to: Cinzia Gravili, Dipartimento di Scienze e Tecnologie Biologiche ed, Ambientali, (Di.S.Te.B.A.), University of Salento, Via Prov. le Lecce-Monteroni I-73100 Lecce, Italy email: [email protected]

Abstract

The inconspicuous hydrozoan Clytia hummelincki, first recorded from the Mediterranean Sea in 1996, is presently widespread throughout the middle Mediterranean Sea and the Adriatic Sea. Two surveys carried out in 2003 and 2004 along the coast of the Salento Peninsula, Italy, showed that this species inhabits a belt between 0.5 and 2 m depth in sea urchin barrens and in areas damaged by date mussel fisheries. The comparison between the two surveys indicates that the frequency of the alien increased from 2003 to 2004. The life cycle of C. hummelincki is described for the first time.

Type
Research Article
Copyright
Copyright © Marine Biological Association of the United Kingdom 2008

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