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Doris
immonda
(Risbec, 1928)
 
Doris immonda
Maximum size:  11 mm.

Identification:  This is a bright orange dorid with a mid-dorsal band of pigment that is greenish in the center and violet at both ends. The rhinophores are flecked with cream and the gills are orange while the rhinophore and branchial sheaths are cream. The gills are arranged in a circle. The bi-colored, linear mid-dorsal band of pigment distinguishes it from the yellow form of Doris nucleola.

Natural history:  Doris immonda is known from a single animal found in rubble at about 8 m (27 ft).

Distribution:  French Frigate Shoals: widely distributed in the western & central Pacific; possibly in the eastern Pacific.

Taxonomic notes:  This species was first recorded in Hawaii from French Frigate Shoals by the 2006 CREEF expedition on Oct. 13, 2006. It's not the same as the animals illustrated as Siraius immonda (Risbec, 1928) on the Sea Slug Forum. (Terry Gosliner, pers. com.).

Photo:  CP: 11 mm: 2006 CREEF expedition; French Frigate Shoals; Oct. 13, 2006.

Observations and comments:

Note 1:  ( )
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