''Ferrissia californica'' is a species of small freshwater limpet, an aquatic

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...

in the family Planorbidae. MolluscaBase eds. (2021). MolluscaBase. Ferrissia californica (Rowell, 1863). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=1001489 on 2021-02-09

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

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. It is introduced in several countries and islands including: *

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Austria Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Europe, lying in the Eastern Alps. It is a federation of nine states, one of which is the capital, Vienna, the most populous ...

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Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

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Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

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* 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.

References

External links

{{Taxonbar, from=Q3076235 Planorbidae Gastropods described in 1863