Janthinidae: Janthina exigua Lamarck, 1816 (‘little violet-snail’)

Synonym(s): exigua Lamarck, 1816 bifida Jay, 1839 capreolata Montrouzier, 1859.
Typical shell-length 20 mm. High-spired, with relatively small body-whorl. Lives afloat on ocean surface by means of a bubble-raft. Native. Occurs all around Australia (QLD, NSW, TAS, VIC, SA, WA and NT); also widespread elsewhere in warm seas. In Tasmanian waters, this species is seldom beached; most likely to be found around Flinders Island and on E coast.