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Foraminifers epibiontic on Eudendrium (Cnidaria: Hydrozoa) from the Mediterranean Sea

Published online by Cambridge University Press:  14 May 2008

C. Di Camillo*
Affiliation:
Dipartimento di Scienze del Mare, Università Politecnica delle Marche, Via Brecce Bianche, I-60131 Ancona, Italy
M. BO
Affiliation:
Dipartimento di Scienze del Mare, Università Politecnica delle Marche, Via Brecce Bianche, I-60131 Ancona, Italy
A. Lavorato
Affiliation:
Dipartimento di Scienze del Mare, Università Politecnica delle Marche, Via Brecce Bianche, I-60131 Ancona, Italy
C. Morigi
Affiliation:
Dipartimento di Scienze del Mare, Università Politecnica delle Marche, Via Brecce Bianche, I-60131 Ancona, Italy
M. Segre Reinach
Affiliation:
Dipartimento di Scienze del Mare, Università Politecnica delle Marche, Via Brecce Bianche, I-60131 Ancona, Italy
S. Puce
Affiliation:
Dipartimento di Scienze del Mare, Università Politecnica delle Marche, Via Brecce Bianche, I-60131 Ancona, Italy
G. Bavestrello
Affiliation:
Dipartimento di Scienze del Mare, Università Politecnica delle Marche, Via Brecce Bianche, I-60131 Ancona, Italy
*
Correspondence should be addressed to: C. Di Camillo Dipartimento di Scienze del MareUniversità Politecnica delle MarcheVia Brecce Bianche I-60131 AnconaItaly email: c.dicamillo@univpm.it

Abstract

Four species of foraminifers Rosalina globularis, Lobatula lobatula, Acervulina inhaerens and Miniacina miniacea were observed as epibionts on some species of the athecate hydroids of the genus Eudendrium—E. armatum, E. glomeratum, E. moulouyensis and E. racemosum—from the Mediterranean Sea. The abundance and the distribution of the protozoans were determined for each hydroid and considered in relation to the shape and size of the Eudendrium branches. Results revealed differences in the composition of the epibiontic assemblage among different species of Eudendrium which were dependent on several factors, but were mainly related to the habitat and to the morphology of the host.

The interactions between Eudendrium and its epibionts were considered to emphasize the role of the Eudendrium colonies as a hotspot not only of poorly known species but also of co-evolutionary relationships and life histories.

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

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