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The cnidome of Carybdea marsupialis (Cnidaria: Cubomedusae) from the Adriatic Sea

Published online by Cambridge University Press:  15 June 2006

C. Di Camillo ,
M. Bo ,
S. Puce ,
S. Tazioli  and
G. Bavestrello
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
S. Puce
Affiliation:
Dipartimento di Scienze del Mare, Università Politecnica delle Marche, Via Brecce Bianche, I-60131 Ancona, Italy
S. Tazioli
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
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Abstract

Kinds and distribution of nematocysts of the cubomedusa Carybdea marsupialis were described by light and scanning electron microscopy. Three kinds of nematocysts were found in tentacles: heterotrichous microbasic euryteles, flattened holotrichous isorhizas and subspherical holotrichous isorhizas. The microbasic euryteles of the tentacles show a characteristic detachable multilayered lancet, already described in the euryteles of Carybdea alata. A possible explanation of the function of the lancet is proposed. The pedalia and the umbrella are armoured by holotrichous isorhizas together with an unidentified kind of small, drop-shaped nematocysts. Gastric cirri, characterized by a rough and ciliated surface, contain heterotrichous microbasic euryteles.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 86 , Issue 4 , August 2006 , pp. 705 - 709
Copyright
2006 Marine Biological Association of the United Kingdom

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