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underside
 

side
 

yellow
 

young, 2 mm
 


feeding?
 

contracted
 



 
Martadoris amakusana
(Baba, 1987)
 
Martadoris amakusana
Maximum size:  about 13 mm (estimated from photos).

Identification:  This species ranges from greenish-brown to yellow. The rhinophores, gills, cephalic tentacles and foot are tipped with dark purple.

Natural history:  Martadoris amakusana is a moderately rare species found in moderately protected to moderately exposed rocky habitats and in Halimeda kanaloana beds at depths of 3-15 m (10-50 ft). When offered a piece of the blue bryozoan eaten by Tambja morosa, a young animal appeared to show feeding motions.

Distribution:  Big Island and Maui: widely distributed in the western & central Pacific.

Taxonomic notes:  It was first recorded in Hawaii from Makena, Maui by PF on June 26, 1998 and was known as Tambja amakusana until Martadoris was erected by Willan & Chang, 2017.

Photo:  CP: 4 mm: Maalaea Bay, Maui; July 23, 2013.

Observations and comments:

Note 1:  ( )
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