young, 9 mm
Tubulophilinopsis pilsbryi (Eliot, 1900)
|Maximum size: about 76 mm
a cream animal broadly reticulated in black. In contrast to Tubulophilinopsis
sp. #1, the black lines
don't extend onto the foot and the parapodia aren't margined in iridescent yellow-green.
is rarely seen on Maui where it has been found mostly in Halimeda kanaloana
depths of 9-15 m (30-49 ft) although, recently, it's been
photographed in shallower habitats including tide pools. On
Oahu, it's locally common 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, Kauai, French Frigate Shoals and Midway: widely distributed in
referred to as "Pilsbry's headshield slug" in Hoover, 1998 &
2006 although the photo is of Tubulophilinopsis
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). It's listed in Hoover, 2006
(corrected in 2019 printing) and Gosliner, et. al., 2018 as Philinopsis pilsbryi.
Photo: CP: 27
mm: 2006 CREEF
expedition French Frigate Shoals; Oct. 24, 2006.
Observations and comments:
1: ( )