Viviparus acerosus is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Viviparidae, the river snails.
The distribution of this species is Danubian.
[3] It is found in Austria, Bulgaria, Croatia, Czech Republic (in Moravia only),[4] Slovakia,[4] Germany, Hungary and Romania.
Its non-indigenous distribution includes the Netherlands since 2007.
[5]