Ferrissia californica

This species has a limpet like shell. In captivity the shell is clear but in the wild it is light to dark brown.{{Cite web |url=https://www.fwgna.org/archive/10Jun09.html == Distribution ==

This species originates from North America. It is introduced in several countries and islands including: • Czech Republic • Bulgaria • Austria • Spain • Moldova • Germany • Netherlands • Poland • Slovakia • Great Britain • Portugal • Algeria • Japan • Australia • and others ==Habitat==

Ferrissia californica lives in streams, rivers, lakes, ponds, etc. It can be found on rocks, wood debris, aquatic plants, and dead leaves.{{Cite web |url=https://www.fwgna.org/species/ancylidae/f_fragilis.html ==Diet==

Ferrissia californica eats mostly diatoms.{{Cite journal |title=Feeding Ecology and Radular Morphology of the Freshwater Limpet Ferrissia fragilis ==Life cycle==

Ferrissia californica is a obligate self-fertilizer. It lays eggs that are 0.6 mm and contain one juvenile. The eggs hatch in about seven days. They mature at between four and five weeks. Adults are about 2 mm.{{Cite web |url=https://www.researchgate.net/publication/233209979 ==Human use==

Ferrissia californica is found in the aquarium trade and is considered an aquarium pest. ==References==