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underside
 

dark
 

pale
 

young, about 3 mm
 

egg mass
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GALLERY



 
Thordisa albomacula
Chan & Gosliner, 2007
 
Thordisa albomacula
Maximum size:  30 mm.

Identification:  This dorid has an irregularly pitted notum with scattered tentacular papillae. It varies from cream to violet brown. The bottoms of the pits are usually darker and there may be a variable amount of white flecking. Nearly all animals have a short white band extending forward from the branchia and the rhinophores are brown, tipped with cream flame-like markings. Young animals are smoother and may have marginal white spots.

Natural history:  Thordisa albomacula is a moderately rare species found in the low intertidal and subtidally to about 1.5 m (5 ft) at protected to moderately exposed rocky sites. Egg masses range from orange to pink (perhaps depending on diet?) and hatch in four to five days in the laboratory.

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

Taxonomic notes:  First recorded in Hawaii from Hekili Point, Maui by CP on May 5, 1993.

Photo:  Terry Gosliner: tentacular papillae retracted: Midway; June, 1993.

Observations and comments:

Note 1:  ( )
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