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Halgerda paliensis
(Bertsch & Johnson, 1982)
 
Halgerda paliensis
Maximum size:  75 mm (Scott Johnson).

Identification:  This species has a yellow notum covered with a network of darker yellow ridges. Faint brownish markings may be present between the ridges in some animals. There is a narrow white line around the margin of the notum and the rhinophores are light yellow-brown. The branchia are cream lined with brown and tipped with white.

Natural history:  We've never seen Halgerda paliensis on Maui but Scott Johnson reports it as being fairly common on Oahu where it occurs in moderately exposed to highly exposed rocky habitats at depths of 3-20 m (10-66 ft).

Distribution:  Big Island and Oahu.

Taxonomic notes:  This is the species listed as Sclerodoris sp. in Bertsch and Johnson, 1981 and as Sclerodoris paliensis in Hoover, 1998. It was first recorded in Hawaii at Makua, Oahu by Scott Johnson on April 13, 1977. It is referred to as the "pali nudibranch" in Hoover, 1998 & 2006.

Photo:  John Hoover: Oahu; Nov. 1998.

Observations and comments:

Note 1:  ( )
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