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GALLERY



 
Ercolania
(?) sp. #9
 
Ercolania(?) sp. #9
Maximum size:  6 mm.

Identification:  This species has a cream body with extensive green branches of the digestive gland and numerous white flecks. It has many slender, though tapering, cerata and the long rhinophores are obviously rolled (in contrast to the blade-like rhinophores of Placida sp. #2). There's a dark-green spot on the midline of the notum anterior to the pericardium. The bases of the central cerata have swellings on their anterior faces that contain branches of the digestive gland that lack retained chloroplasts (giving them a white appearance).

Natural history:  Ercolania(?) sp. #9 is known from three animals found in moderately exposed patch reef and rubble from < 1 m (< 3 ft) to about 8 m (25 ft).

Distribution:  Maui.

Taxonomic notes:  This species may belong in the genus Placida rather than Ercolania. It was first recorded in Hawaii from Canoe Beach, Kaanapali, Maui by PF on Oct. 13, 2007.

Photo:  CP: 6 mm: found by PF; Canoe Beach, Kaanapali, Maui; Oct. 13, 2007.

Observations and comments:

Note 1:  ( )
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