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Eubranchus exiguus

Alder & Hancock, 1849

Eubranchus

Classification
Identification
Biology
Distribution
Links
Bibliography

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Classification   {MSG_BIOLOGY_LISTE_CATEGORIES}
Latin name : Eubranchus exiguus (Alder & Hancock, 1849)
Synonyms :
Classification : Nudibranchia [ Cuvier, 1817 ] ( Sea slugs )
 
Name : Eubranchus
Name : Eubranchus
Identification   {MSG_BIOLOGY_LISTE_CATEGORIES}
Main identification characters
Etymology: Lat. exiguus = small.

The body is greyish-white and speckled with brown or green pigment. The cerata are few in number and shaped like an urn; this feature distinguishes it from other closely related species.

The rhinophoral and oral tentacles have a sub-terminal ring of white pigment and lower down, towards their base, 1 or sometimes 2 bands of brown pigment. Adults may grow to 10mm in length.
Possible confusions
Feel free to update this datasheet and complete this data.
Biology   {MSG_BIOLOGY_LISTE_CATEGORIES}
Feed
Feed on shallow water hydroids such as Obelia, Hydrallmania and Laomedea.
Cycle of life / Reproduction
The spawn consists of lozenge-shaped lumps.
Interaction with other species
Often found in large numbers forming mixed populations with Tergipes tergipes feeding on Obelia geniculata on kelp fronds.
Distribution   {MSG_BIOLOGY_LISTE_CATEGORIES}
Habitat

Rocks
Feel free to update this datasheet and complete this data.
Geographical distribution
Atlantic coast of Europe (British Isles, France, Arcachon bay...) and the Mediterranean, North Atlantic, also NE Nth America.
Links   {MSG_BIOLOGY_LISTE_CATEGORIES}
Websites :
http://www.habitas.org.uk/marinelife/mollusca/eubexi_p.htm
http://www.ntnu.no/~vmzotbak/nudibranchia/eubranchidae/eubranchus_exig [...]
http://www.pictonb.freeserve.co.uk/nudibranchs/eubexi.html
http://www.seaslugforum.net/eubrexig.htm

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Bibliography   {MSG_BIOLOGY_LISTE_CATEGORIES}
A Field Guide to the Nudibranchs of the British Isles
Bernard Picton, Christine C. Morrow
Immel Publishing, 1994
Data sheet written by Christophe Naslain , 17/07/2003

Updates :
Christophe Naslain - 17/07/2003


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