Ferrissia californica facts for kids

Quick facts for kids Ferrissia californica
Ferrissia californica
Conservation status
Least Concern (IUCN 3.1)
Scientific classification
Synonyms
Ancylus (Ferrissia) hendersoni B. Walker, 1908 Ancylus (Ferrissia) novangliae B. Walker, 1908 Ancylus caurinus W. Cooper, 1860 (nomen nudum) Ancylus caurinus J. G. Cooper, 1870 Ancylus fragilis Tryon, 1863 Ancylus obliquus Shimek, 1890 Ancylus pumilus Sterki, 1900 Ancylus sharpi Sykes, 1900 Ancylus shimeki Pilsbry, 1890 (replacement name) Ferrissia (Kincaidilla) fragilis (Tryon, 1863)· accepted, alternate representation Ferrissia bartschi B. Walker, 1920 Ferrissia fragilis (Tryon, 1863) Ferrissia japonica Habe & J. B. Burch, 1965 (a junior synonym) Ferrissia sharpi (Sykes, 1900) Ferrissia wautieri (Miroli, 1960) Gundlachia (Kincaidilla) japonica J. B. Burch, 1964 (a junior synonym) Gundlachia californica Rowell, 1863 (original combination) Gundlachia meekiana Stimpson, 1863 Gundlachia stimpsoniana S. Smith in S. Smith & Prime, 1870 Pettancylus sharpi (Sykes, 1900) Watsonula wautieri Mirolli, 1960

Ferrissia californica is a species of small freshwater limpet, an aquatic gastropod mollusk in the family Planorbidae.

Description

This species has a limpet like shell. In captivity the shell is clear but in the wild it is light to dark brown.

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.

Diet

Ferrissia californica eats mostly diatoms.

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.

Human use

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