Plocamopherus maderae
(Lowe, 1842)

Suborder: DORIDINA
Family: Polyceridae
Subfamily: Triophinae


Atlantic Ids - Madeira, Canary Ids, Cape Verde Islands


~30 mm long. Gran Canaria Island, Depth: 16 m, Spain. 27 December 2002. Photo: Arthur J. Telle

Typically shaped for a Plocamopherus with three pairs of branched papillae or protuberances along the mantle edge. There is also a 'fin' running along the posterior midline, from the posterior limit of the mantle edge to the tip of the tail, which is used when the animal is swimming but lateral flexion of the body. The animal is translucent yellow with smaller red-brown specks and larger ones of orange. Lowe (1842) mentions that it 'swims like the larvae of a gnat, and is brilliantly phosphorescent'. Grows to about 4-5cm.

• Eliot, C.N.E. (1906) Report upon a collection of Nudibranchiata from the Cape Verde Islands, with notes by C. Crossland. Proceedings of the Malacological Society of London, 7(3): 131-159, Pl.14.
• Lowe, R.T. (1842) Description of a new dorsibranchiate gasteropod discovered at Madeira. Proceedings of the Zoological Society of London, (10): 51-53.
• Ortea, J. A., & Perez, J.M. (1992) Captura de Plocamopherus maderae (Lowe, 1842) (Mollusca: Nudibranchiata) en los archipi√©lagos de Canarias y Cabo Verde. Actas del V Simposio Ib√©rico de Estudios del Bentos Marino. Puerto de la Cruz, Tenerife 22-27 de Septiembre de 1986 (2): 229-235.

Authorship details
Rudman, W.B., 2003 (January 13) Plocamopherus maderae (Lowe, 1842) . [In] Sea Slug Forum. Australian Museum, Sydney. Available from

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