Parafossarulus manchouricus explained

Parafossarulus manchouricus is a species of freshwater snail with gills and an operculum, an aquatic prosobranch gastropod mollusk in the family Bithyniidae.

This species is medically important as a host for the liver fluke Clonorchis sinensis in East Asia.

Subspecies

• Parafossarulus manchouricus japonicus (Pilsbry, 1901)

Description

The shell has 5.5 whorls. The width of the shell is 6 mm. The height of the shell is 10 mm.

The haploid chromosome number of Parafossarulus manchouricus is n=17.^{[1] [2]}

Distribution

This species occurs in: Russia (Amur River basin),^[3] Japan (Honshū, Kyushu and Shikoku), Korea, Taiwan^[4] and China.^[5]

The type locality is the Amur River and other rivers in the southern Siberia ("le fleuve Amour et divers cours d'eau de la Sibérie méridionale").

Habitat

Parafossarulus manchouricus lives in shallow ponds and in irrigation channels.^[6]

Parasites

This species is a first intermediate host for Clonorchis sinensis.^[7]

Further reading

• Kim C. H. "Study on some differences between Bithynia misella and Parafossarulus manchouricus". Korean Journal of Parasitology.
• Chun S. K. . [Studies on ''Parafossarulus manchouricus'' Bourguigant in Korea] . Kisaengch'unghak Chapchi . 2 . 1 . 27–34 . June 1964 . 12913606 . 10.3347/kjp.1964.2.1.27. free .

Notes and References

1. Amany A. Tohamy & Shaimaa M. Mohamed (2006). "Chromosomal studies on two Egyptian freshwater snails, Cleopatra and Bithynia (Mollusca-Prosobranchiata)". Arab J. Biotech. 9(1): 17-26. PDF .
2. Park G. M. (1994). "Cytotaxonomic studies of freshwater Gastropods in Korea". Malacol. Review 27: 23-41.
3. Kantor Yu I., Vinarski M. V., Schileyko A. A. & Sysoev A. V. (published online on March 2, 2010). "Catalogue of the continental mollusks of Russia and adjacent territories". Version 2.3.1.
4. http://shell.kwansei.ac.jp/~shell/pic_book/data52/r005151.html "Parafossarulus manchouricus japonicus (Pilsbry, 1901)"
5. http://www.dpd.cdc.gov/dpdx/hTML/ImageLibrary/A-F/Clonorchiasis/body_Clonorchiasis_il3.htm Clonorchiasis
6. Cho H. C. . Chung P. R. . Lee K. T. . [Distribution Of Medically Important Freshwater Snails And Larval Trematodes From ''Parafossarulus manchouricus'' And ''Semisulcospira libertina'' Around The Jinyang Lake In Kyongsang-Nam-Do, Korea] . Kisaengch'unghak Chapchi . 21 . 2 . 193–204 . December 1983 . 12902649 . 10.3347/kjp.1983.21.2.193. ko.
7. http://atlas.or.kr/atlas/alphabet_view.php?my_codeName=Clonorchis%20sinensis Clonorchis sinensis