young, 9 mm
Philinopsis pilsbryi (Eliot, 1900)
|Maximum size: about 76 mm
a cream animal broadly reticulated in black. In contrast to Philinopsis
sp. #1, the black lines
don't extend onto the foot.
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
it from more exposed sites.
Big Island, Maui, Oahu and French Frigate Shoals: widely distributed in
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). Pilsbry, 1921 and Edmondson, 1946 list it as both Aglaja nigra and Aglaja pilsbryi. Aglaja pilsbryi hawaiensis Pilsbry, 1921 is a synonym. (Kay, 1979)
Photo: CP: 27
mm: 2006 CREEF
expedition French Frigate Shoals; Oct. 24, 2006.
Observations and comments:
1: ( )