Clithon retropictum

Clithon retropictum
A live Clithon retropictum
Scientific 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[1]
List
    • Clithon retropicta (von Martens, 1878)
    • Clithon retropictus (incorrect gender ending)
    • Neritina nubila (von Martens, 1860)
    • Neritina obtusa (Reeve, 1855)
    • Neritina retropicta (von Martens, 1879)

Clithon retropictum (Korean: 기수갈고둥, Japanese: 石蜑螺) is a species of freshwater and brackish water snail with an operculum. It is an aquatic gastropod in the family Neritidae.

Distribution

This species occurs on the Japanese islands of Honshu, Kyushu, and Shikoku.[2] It also occurs on the South Korean island of Jeju, and in [3] Taiwan.

Description

Habitat

C. retropictus lives in brackish water and in freshwater.[4]

Feeding habits

Clithon retropictum is an herbivorous species.[5]

Life cycle

C. retropictum is oviparous.[4] Juveniles hatch from eggs in September.[4] The lifespan of C. retropictum is up to 12 years and it is one of the most long-lived freshwater gastropods.[6]

Parasites

Status

The species is considered as a second grade endangered species by the Korean ministry of environment.[8]

References

  1. ^ [1] Clithon retropictum (E. von Martens, 1878) accessed 26 May 2025.
  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. ^ a b c 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.
  5. ^ (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.
  6. ^ 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.
  7. ^ 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.
  8. ^ 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