Ostracod Research at the Lake Biwa Museum, Japan

Robin James Smith

Genus Eucypris Vavra, 1891

Superfamily: Cypridoidea Baird, 1845
Family: Cyprididae Baird, 1845
Subfamily: Eucypridinae Bronstein, 1947

One species has been reported from Korea:

1. Eucypris pigra (Fischer, 1851)

Female Eucypris pigra, left side view (top) and dorsal view. Length is about 1mm.

External view of a female left valve of Eucypris pigra. Length 1013 microns.

External view of a female right valve of Eucypris pigra. Length 986 microns.

Additional figures in: Meisch 2000; Smith 2011; Chang et al. 2012.
Habitat: Usually found in the runoff of small springs and seeps.
Mode of life: Benthic.
Mode of reproduction: Asexual in Korea and most other places. Males only known from Germany (Klie 1938).
Known distribution: North and South Gyeongsang Provinces (Chang et al 2012), Jeju Island (Smith et al. 2014). Outside of Korea known from Japan (Smith 2011), Europe and Central Asia (see refs in Meisch 2000).
References:
⚬ Chang, C. Y., Lee, J. & Smith, R. J. 2012. Nonmarine ostracods (Crustacea) from South Korea, including a description of a new species of Tanycypris Triebel (Cyprididae, Cypricercinae). Zootaxa, 3161, 1-19.
⚬ Klie, W. 1938. Ostracoda, Muschelkrebse. Die Tierwelt Deutschlands und der angrenzenden Meeresteile nach ihren Merkmalen und nach ihrer Lebensweise, 34. Teil: Krebstiere oder Crustacea: 1-230. Gustav Fischer Verlag, Jena.
⚬ Meisch, C. 2000. Freshwater Ostracoda of Western and Central Europe. In: Schwoerbel, J., Zwick, P., (Eds.), Süßwasserfauna von Mitteleuropa 8/3. Spektrum Akademischer Verlag, Heidelberg, Berlin 522 pp.
⚬ Smith, R. J. 2011. Groundwater, spring and interstitial Ostracoda (Crustacea) from Shiga Prefecture, Japan, including descriptions of three new species and one new genus. Zootaxa, 3140, 15 - 37.