Bought from harbour farmed; New Taipei City,
Wanli District, Taiwan; 28. February 2013
ID 8311: 48 mm, w/o, F++ /
F+++
UNCOMMON PATTERN
looks like B. spirata
f.semipicta
but according to the textured
operculum and dentical fasciole,
these all are B.borneensis.
DRIED SPECIMEN on operculum!