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Runcina
sp. #1
 
Runcina sp. #1
Maximum size:  3 mm.

Identification:  This is a tiny, oval species with a featureless notum and no obvious shell. The posterior margin conceals a small folded gill on the right side and a small plate-like shell on the left side. It has an olive-green background with minute brown flecks.

Natural history:  Runcina sp. #1 is a common, though seldom seen, species found in protected to exposed rocky habitats from < 1 to 8 m (< 3 ft to 26 ft). It shows a diurnal activity pattern in dishes.

Distribution:  Maui, Kauai and French Frigate Shoals: probably widely distributed in the Indo-Pacific.

Taxonomic notes:  It was first recorded in Hawaii from Hekili Point, Maui by CP in Aug., 1989.

Photo:  CP: Hekili Point, Maui; Oct. 5, 2002.

Observations and comments:

Note 1:  ( )
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