Bullina lineata (Gray, 1825)
|Maximum size: 21 mm
(extrapolated from shell length).
has a pinkish-white shell decorated with dark pink axial
and spiral lines. The body is translucent cream. (Note 1)
Bullina lineata is
a moderately rare species found in protected to highly exposed
mixed habitats. At night, it can occasionally be seen crawling on sand
patches or nearby rubble in depths of 1-5 m (3-16 ft). Its egg mass is
irregularly coiled white tube anchored in sand with a mucous thread. It
has a sticky surface that collects a coating of sand and the eggs hatch
in about six days in the laboratory.
Big Island, Maui, Molokai, Oahu and Kauai: widely distributed in the
the species listed in Kay, 1979 as Bullina
scabra (Gmelin, 1791). Bullina
lauta Pease, 1860 and Bullina scabra solida (Pilsbry, 1921) are
synonyms (Kay, 1979). It's also listed as Bullina scabra solida in Ostergaard, 1950 and illustrated as Micromelo quamensis in Quirk & Wolfe, 1974. It
was first reported from Hawaii in Pease, 1860.
Photo: CP: 18
mm: Hekili Point, Maui; May 1, 2003.
Observations and comments:
1: Some (but not most) shells of this species show moderate red fluorescence under ultraviolet light (395 nM).