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Clithon retropictum

From Wikipedia, the free encyclopedia

Clithon retropictum
A live Clithon retropictum
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Neritimorpha
Order: Cycloneritida
Family: Neritidae
Genus: Clithon
Species:
C. retropictum
Binomial name
Clithon retropictum
(von Martens, 1879)
Synonyms

Clithon retropictus (incorrect gender ending)
Neritina nubila Martens, 1860 Neritina obtusa Reeve, 1855 Neritina retropicta Martens, 1879

Clithon retropictum (Korean: 기수갈고둥, Japanese: 石蜑螺) 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.

Distribution

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This species occurs in Japan:[1] Honshu, Kyushu and Shikoku.[2] Its habitat is also located in South Korea near Jeju [3] and Taiwan.

Description

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Clithon retropictum shells

Habitat

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This nerite lives in brackish water as well as freshwater.[1]

Feeding habits

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Clithon retropictum is herbivorous species.[4]

Life cycle

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Clithon retropictum is oviparous.[1] Juveniles hatch from eggs in September.[1] The lifespan of Clithon retropictum is up to 12 years and it belongs among the most long-lived of freshwater gastropods.[5]

Parasites

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Status

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The species is considered as a second grade endangered species by the Korean ministry of environment.[7]

References

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  1. ^ 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.
  2. ^ (in Japanese) イシマキガイ Clithon retropictus Archived 2011-10-04 at the Wayback Machine. accessed 6 January 2011.
  3. ^ "한국의 멸종위기종 기수갈고둥".
  4. ^ (in Japanese) Ohara T. & Tomiiyama K. (2000). "Niche segregation of coexisting two freshwater snail species, Semisulcospira libertina (Gould) (Prosobranchia: Pleuroceridae) and Clithon retropictus (Martens) (Prosobranchia: Neritidae)". Venus 59(2): 135–147. CiNii.
  5. ^ Shigemiya, Y.; Kato, M. (2001). "Age distribution, growth, and lifetime copulation frequency of a freshwater snail, Clithon retropictus (Neritidae)". Population Ecology. 43 (2): 133. doi:10.1007/PL00012024.
  6. ^ Kumazawa, N. H.; Kato, E.; Takaba, T.; Yokota, T. (1988). "Survival of Vibrio parahaemolyticus in two gastropod molluscs, Clithon retropictus and Nerita albicilla". Nihon Juigaku Zasshi. The Japanese Journal of Veterinary Science. 50 (4): 918–924. doi:10.1292/jvms1939.50.918. PMID 3172602.
  7. ^ Noseworthy, Ronald G.; Lee, Hee-Jung; Choi, Kwang-Sik (2013). "The occurrence of Clithon retropictus (v. Martens, 1879) (Gastropoda: Neritidae) in an unusual habitat, northern Jeju Island, Republic of Korea". Ocean Science Journal. 48 (3): 259–262. Bibcode:2013OSJ....48..259N. doi:10.1007/s12601-013-0023-2.

Further reading

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