Haloa japonica
Haloa japonica, common name the Japanese bubble snail, is a species of sea snail or bubble snail, a marine opisthobranch gastropod mollusc in the family Haminoeidae, one of the families of bubble snails. Distribution. The species is found in the Pacific Ocean, Mediterranean and North Sea: Description. Their shells have length around 11 mm and width around 8 mm. Parasites. The parasites of "Haloa japonica" include an avian schistosome, which has been implicated in human cercarial dermatitis in San Francisco Bay, California.