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Eubranchus
sp. #2
 
Eubranchus sp. #2
Maximum size:  4 mm.

Identification:  This aeolid has a transparent body sprinkled with opalescent white spots and minute brown flecks. There are a few dark brown spots on the notum near the bases of the cerata. The smooth, spindle-shaped cerata have white tips with small transparent "windows" on their exterior faces. The rhinophores and cephalic tentacles are smooth and white with transparent-orange medial bands. It can be distinguished from Eubranchus sp. #5 by the brown spots on the notum, the basal white bands on the rhinophores and the lack of longitudinal clear steaks on the cerata.

Natural history:  Eubranchus sp. #2 is a moderately rare species that has been found in protected to exposed rocky locations at depths of 1-1.5 m (3-5 ft). A 4 mm animal laid a white, sausage-shaped egg mass 1.5 mm in length.

Distribution:  Maui, Oahu and Midway: probably recorded from southern Japan; perhaps, also known from the western Pacific and French Polynesia?

Taxonomic notes:  First recorded in Hawaii from Hekili Point, Maui by CP in Dec, 1990.

Photo:  PF: 2 mm: Midway Atoll; May 28, 1993.

Observations and comments:

Note 1:  ( )
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