species 359 observations
Tadpole Physa
Physella gyrina
Field notes
Physella gyrina, common name the "tadpole physa", is a species of small, left-handed or sinistral, air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Physidae.
Read more on WikipediaRange
Greener is more native, amber more introduced; paler is less certain. How this was decided