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Korean hard clam
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	Venerida
Family:	Veneridae
Genus:	Meretrix
Species:	M. lamarckii
Binomial name
Meretrix lamarckii Deshayes 1853
Synonyms
Synonymy Cytherea fusca Koch in Philippi 1845 Cytheraea morphina L. Meretrix compressa Römer, 1866 Meretrix meretrix var. reevei Fischer-Piette & P. H. Fischer, 1941

Meretrix lamarckii, also called Korean clam or Korean hard clam, is a species of saltwater bivalve in the family Veneridae. It is the second species of venerid clam where doubly uniparental inheritance (DUI) has been identified.

Ecology

It is a medium-sized clam which lives in sandy sediments from the subtidal zone to a depth of 20 meters. In the waters off Hyūga, Miyazaki, it spawns between late July and early September.

Relationship to humans

M. lamarckii is edible and economically important in China; commercial fishing has greatly disrupted the habitat where it lives. It is a filter feeder which primarily feeds on phytoplankton. Its shell is used to make the white stones used in Go.

Bibliography

• Feng, Jiantong; Fu, Zeqin; Guo, Yahong; Li, Jiji; Guo, Baoying; Lü, Zhenming; Ye, Yingying (2020). "Strong genetic differentiation of the clam Meretrix lamarckii in the China Sea revealed by mitochondrial DNA marker". Molecular Biology Reports. 47 (1): 693–702. doi:10.1007/s11033-019-05177-9. ISSN 0301-4851. PMID 31701474. S2CID 207941192.
• Shigeno, Kunihiko (1955). "Notes on the Biology of the Clam Meretrix lamarckii". Bulletin of the Japanese Society of Scientific Fisheries. 21 (4): 218–225. doi:10.2331/suisan.21.218.

References

1. Meretrix lamarckii at GBIF
2. Bettinazzi, Stefano; Plazzi, Federico; Passamonti, Marco (2016-04-15). "The Complete Female- and Male-Transmitted Mitochondrial Genome of Meretrix lamarckii". PLOS ONE. 11 (4): e0153631. doi:10.1371/journal.pone.0153631. ISSN 1932-6203. PMC 4833323. PMID 27083010.
3. ^ Feng et al. 2020, p. 693.
4. ^ Shigeno 1955, p. 218.
5. Shao YQ, Zhang JM, Fang J et al (2017). "Reproductive cycle and early development of Meretrix lamarkii (Veneroida: Veneridae) under artificial conditions" (in Chinese with English abstract). J Fish Sci China 24:82–90
6. Itoi, Shiro; Uchida, Junya; Takanashi, Shihori; Narita, Tomoyo; Abe, Koko; Naya, Satomi; Sugita, Haruo (2014). "The clam Meretrix lamarckii (Bivalvia: Veneridae) is a rich repository of marine lactic acid bacterial strains". Annals of Microbiology. 64 (3): 1267–1274. doi:10.1007/s13213-013-0771-1. ISSN 1590-4261.

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