Physella acuta is a species of small, left-handed or sinistral, air-breathing freshwater snail, an aquatic gastropod mollusk in the family Physidae. Common names include
European physa,
Tadpole Snail,
Bladder Snail, and
Acute Bladder Snail. In addition,
Phyla acuta,
Physa heterostropha (Say, 1817) and
Physa integra (Haldeman, 1841) are synonyms of
Physella acuta (Draparnaud, 1805).
(Wikipedia)