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Ciocalypta penicillus

Bowerbank, 1864

Thin brush sponge

Classification
Identification
Biology
Distribution
Links
Bibliography

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Classification   {MSG_BIOLOGY_LISTE_CATEGORIES}
Latin name : Ciocalypta penicillus (Bowerbank, 1864)
Synonyms :
Classification : Porifera ( Sponges )
 
Name : Eponge pinceau
Name : Thin brush sponge
Identification   {MSG_BIOLOGY_LISTE_CATEGORIES}
Main identification characters
The form of this sponge is very characteristic, it consists of a basal cushion buried in sand or gravel, from which project large conical, translucent papillae.

The surface of the papillae has a glassy, translucent appearance, through which vertical spicule fibres can be seen. A central core runs the length of the papillae, this is usually conspicuous in living material. The walls of the papillae are thick and robust with a roughened texture.
Possible confusions
May be confused with Polymastia species, especially Polymastia mamillaris. However, large conical papillae with a translucent, glassy appearance and visible central core are characteristic of Ciocalypta.
Biology   {MSG_BIOLOGY_LISTE_CATEGORIES}
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Cycle of life / Reproduction
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Interaction with other species
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Distribution   {MSG_BIOLOGY_LISTE_CATEGORIES}
Habitat

Rocks

Sand
This species is very characteristic of, and appears to be restricted to bedrock/sediment interfaces, where upward facing bedrock or large boulders are overlain by clean coarse sand or gravel. It is usually found in the circalittoral zone in areas exposed to moderately strong wave action or tidal streams.
Geographical distribution
Known recently from scattered localities on the western coasts of the British Isles and in Arcachon bay (France).
Links   {MSG_BIOLOGY_LISTE_CATEGORIES}
Websites :
http://www.marlin.ac.uk/index2.htm?demo/Ciopen.htm
http://www.ulstermuseum.org.uk/marinelife/porifera/ciopen.htm

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Bibliography   {MSG_BIOLOGY_LISTE_CATEGORIES}
Découvrir l'Atlantique, la Manche et la mer du Nord
Steven Weinberg
Editions Nathan 1994
Découvrir la Méditerrannée
Steven Weinberg
Editions Nathan 1992
Data sheet written by Christophe Naslain , 19/11/2002

Updates :
Christophe Naslain - 23/11/2002


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