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Additional Photos

underside

dark

shell

egg mass
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GALLERY

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Philinopsis sp. #1

Maximum size: 30 mm.
Identification:
This
is
a cream animal reticulated with brown or gray. The
parapodia are margined in iridescent yellow-green and the reticulations
extend onto the foot (unlike in Philinopsis
pilsbryi).
Natural history:
Philinopsis sp. #1
is a moderately rare nocturnal species found in mixed habitats at
depths of about 1 m (3 ft). It occurs in moderately protected to
highly exposed sites. It lays a barrel-shaped, white egg mass
composed of a tangled egg string. The mass may be anchored in sand or
algal turf and is usually shorter than in Philinopsis
speciosa. Hatching
occurs in
about four days in the laboratory.
Distribution:
Maui and Oahu.
Taxonomic notes:
Philinopsis sp. #1
has been listed on-line as a form of Philinopsis
reticulatus. However, Terry Gosliner feels there are enough
differences from the Indo-Pacific populations of that species to
suggest a split. (pers. com.) It was first recorded in Hawaii from
Pupukea,
Oahu by Scott Johnson on Aug.
12, 1985. It is illustrated as "Pilsbry's headshield slug" in Hoover,
1998 and in the inset photo under that species in Hoover, 2006.
Photo: CP: 30
mm: Napili Bay, Maui; Sept. 22, 2006.
Observations and comments:
Note
1: ( )
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