- Clithon retropictus
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Clithon retropictus 
Clithon retropictus Scientific classification Kingdom: Animalia Phylum: Mollusca Class: Gastropoda (unranked): clade Neritimorpha
clade Cycloneritimorpha
Superfamily: Neritoidea Family: Neritidae Subfamily: Neritinae Tribe: Theodoxini Genus: Clithon Species: C. retropictus Binomial name Clithon retropictus
(von Martens, 1879)Clithon retropictus is a species of freshwater and brackish water snail with an operculum, a nerite. It is an aquatic gastropod mollusk in the family Neritidae, the nerites.
Contents
Distribution
This species occurs in Japan:[1] Honshu, Kyushu and Shikoku.[2]
Habitat
This nerite lives in brackish water as well as freshwater.[1]
Life cycle
Clithon retropictus is oviparous.[1] Juveniles hatch from eggs in September.[1] The lifespan of Clithon retropictus is up to 12 years and it belongs among the most long-lived of freshwater gastropods.[3]
Clithon retropictus
Parasites
References
- ^ a b c d FURUJO Yuki & TOMIYAMA Kiyonori. Distribution and Microhabitat of Coexisting Two Freshwater Snail Species, Semisulcospira libertina (Gould)(Prosobranchia; Pleuroceridae) and Clithon retropictus (Martens) (Prosobranchia: Neritidae). The Japanese journal of malacology. Venus, Vol. 59, No. 3(20000930), pp. 245-260.
- ^ (Japanese) イシマキガイ Clithon retropictus. accessed 6 January 2011.
- ^ Shigemiya Y. & Kato M. (2001). "Age distribution, growth, and lifetime copulation frequency of a freshwater snail, Clithon retropictus (Neritidae)". Population Ecology 43(2): 133-140. doi:10.1007/PL00012024.
- ^ Kumazawa N. H., Kato E., Takaba T. & Yokota T. (August 1988). "Survival of Vibrio parahaemolyticus in two gastropod molluscs, Clithon retropictus and Nerita albicilla". Nippon Juigaku Zasshi 50(4): 918-924. PubMed
Further reading
- HIRATA TETSU, UEDA HAJIME, TSUCHIYA YASUTAKA, SATO TOSHIHIKO & NISHIWAKI SABURO. 1999. Distribution of Clithon retropictus(Gastropoda; Neritidae) and environmental conditions in the rivers of Izu Peninsula. Bulletin of the Faculty of Education & Human Sciences, Yamanashi University, Volume 1, number 1, 24-30. (article in Japanese, English abstract)
External links
- http://shell.kwansei.ac.jp/~shell/pic_book/data08/r000792.html photos of shells
- http://www.gastropods.com/8/Shell_8638.html photos of shells
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