Cotylorhiza tuberculata (Macri, 1778)
Cotylorhiza tuberculata
photo by Pillon, Roberto

Family:  Cepheidae ()
Max. size:  40 cm WD (male/unsexed)
Environment:  pelagic; marine; depth range 0 - 7 m
Distribution:  Mediterranean Sea: Italy, Greece and Monaco.
Diagnosis:  Diameter can reach 40 cm. Plane sunshade, except in its center, where one observes a prominent formation out of bell. Short oral arms, only braided in their base, characterized by a lower part excessively friz; the labial palpi are of color violet or white, and finished by a widened bulb. The sunshade is white, the oral arms of a tinted white of yellow. The polyps measure from 5 to 10 mm height; and although unimportant, one can observe them all the year.
Biology:  The sunshade of the céphéides is frequently used as protective shelter with fish alevins of the kinds Trachurus ,Boops and Seriola. Species is inoffensive for the man (Ref. 358). Swims to the surface in plain water, in pelagic zone, near the coasts at night. Feeds on fine plankton, which is absorbed by the oral arms (Ref. 358).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans: 
Country info:   
 

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