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Berthella stellata
(Risso, 1826)
 
Berthelina stellata
Maximum size:  20 mm (Kay, 1979).

Identification: This is a translucent cream species finely reticulated with pale white and with a variable amount of opaque white spotting on the notum.

Natural history:  Berthella stellata is a moderately rare nocturnal pleurobranchid found in protected to moderately exposed rocky habitats. It occurs in the low intertidal, in tide pools and subtidally to depths of  9 m (30 ft). It lays a white collar-shaped egg mass that hatches in about seven days in the laboratory.

Distribution:  Big Island, Maui, Oahu, French Frigate Shoals and Midway: circumtropical

Taxonomic notes:  This is the species listed as Berthella pellucida (Pease, 1860) in Kay, 1979. It was first reported from Hawaii in Pease, 1860 (as Pleurobranchus pellucidus) and is listed under that name in Edmondson, 1946.

Photo:  CP: 7 mm: Hekili Point, Maui; Nov. 23, 2006.

Observations and comments:

Note 1:  ( )
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