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Additional Photos

underside

side

young, 9 mm

shell

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Philinopsis pilsbryi (Eliot, 1900)

Maximum size: about 76 mm
(Hoover, 2006).
Identification:
This
is
a cream animal broadly reticulated in black. In contrast to Philinopsis
sp. #1, the black lines
don't extend onto the foot.
Natural history:
Philinopsis pilsbryi
is rarely seen on Maui where it has been found only in Halimeda kanaloana beds at
depths of 9-15 m (30-49 ft). However, it is locally common on
Oahu at depths
of 1-3 m (3-10 ft) in Kaneohe Bay and other highly protected sites.
It has also been found at Hale'iwa trench to 24 m (80 ft) and Scott
Johnson reports
it from more exposed sites.
Distribution:
Big Island, Maui, Oahu and French Frigate Shoals: widely distributed in
the
Indo-Pacific.
Taxonomic notes:
It
is
referred to as "Pilsbry's headshield slug" in Hoover, 1998 &
2006 although the photo is of Philinopsis
sp. #1 in the 1998 edition. It was first reported from Hawaii in Pease,
1860 (as Philinopsis nigra).
Photo: CP: 27
mm: 2006 CREEF
expedition French Frigate Shoals; Oct. 24, 2006.
Observations and comments:
Note
1: ( )
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