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multiple spots
 

young, 3.5 mm
 



 
Dendrodoris denisoni
(Angas, 1864)
 
Dendrodoris denisoni
Maximum size:  about 38 mm.

Identification:  The notum of this species is covered with fleshy tubercles of varying sizes except in 3-4 paired areas on either side of the mid-line where it is smooth. The body is translucent brown with a variable amount of white spotting. Within each of the smooth areas is one large (and, sometimes, several small) iridescent blue spots. The rhinophores are gold to brown with white tips and brown stalks while the gills are translucent cream with dark brown edges. The tubercles become more elaborate in larger animals.

Natural history:  Dendrodoris denisoni is a moderately rare species that has been found in protected to highly exposed rocky habitats from 1-110 m (3-361 ft). It lays a pale brown egg mass.

Distribution:  Maui, Oahu and Midway: widely distributed in the Indo-Pacific.

Taxonomic notes:  It was first recorded in Hawaii off Hale'iwa, Oahu by Terry Gosliner in Nov., 1972 (dredged).

Photo:  PF: 30 mm: Midway Atoll: June 7, 1993.

Observations and comments:

Note 1:  ( )
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