Roboastra europaea
García Gómez, 1985
Order: NUDIBRANCHIA
Suborder: DORIDINA
Family: Polyceridae
Subfamily: Nembrothinae
DISTRIBUTION
Spain.
PHOTO
La Cañonera reef. Bay of Algeciras (Strait of Gibraltar, southern Spain). March 2000.
UPPER: 26 m. depth. Size: 55mm., LOWER: 28 m. depth, Size: 50mm. PHOTOS: Alma Sánchez
The long, limaciform body is lightly corrugated. The rhinophores are perfoliate and retractile and have 35 tightly packed lamellae. There are 5 nonretractile bipinnate gills, the central 3 gills being larger than the other two.
This species is striped with greyish blue and bright yellow longitudinal bands. The entire foot is a pale grey. The oral tentacles are grey. The perfoliated part of the rhinophores are a grey or reddish-grey but the base and tips of the rhinophores are a light grey. The outer face of gills is orange-yellow or blue and the outer edge of the gill leaflets is dark grey or purple. The rhinophore club dark purplish colour. There are two colour forms [See Lucas Cervera's message.]
Compare with Tambja ceutae
Reference:
• Garcia-Gomez, J.C. (1985) A new species of Roboastra (Gastropoda, Nudibranchia) from the Gibraltar Strait (southern Spain). Journal of Molluscan Studies, 51: 169-176.
Rudman, W.B., 2001 (February 11) Roboastra europaea García Gómez, 1985. [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/roboeuro
Related messages
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Roboastra europaea from Portugal
From: David Abecasis, April 25, 2006 -
Re: Roboastra europaea from Senegal
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Roboastra europaea from Senegal
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Roboastra europaea from Spain
From: Alma Sánchez, February 8, 2001 -
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Re: Spelling of Roboastra
From: Juan Lucas Cervera, May 2, 1999 -
Feeding habits of Roboastra
From: Juan Lucas Cervera, April 30, 1999 -
Spelling of Roboastra
From: Bill Rudman, April 30, 1999