• Animal Systematics, Evolution and Diversity
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• v.5 no.2
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• pp.139-157
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• 1989

The rotifers inhabiting several lowland swamps in Kyngsangnam-do were taxonomically investigated. Collectings were carried out four times at 10 sites in such lowland swamps as Up, Chunam-ji , Chilnal-np and Oisong-np from 22 February 1988 to 2 October 1988. As a result, 4 spcies, 9 subspecies, 2 varieties and 2 forms of monogonont rotifiers in 5 families were identified, of which following 3 species and 3 subspecies are new to Korea ; Testudinella mucronata hauerensis, Platyias quadricornis , Mytilina acanthophora, Lecane ungulata ungulata. Trichocerca bicristata bicristata, and Dicranophorus epicharis.

• Animal Systematics, Evolution and Diversity
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• v.7 no.2
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• pp.189-194
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• 1991

A new speices of cyprinid fish, Acheilognathus somjinensis is described based on the specimens collected in the Somjin River, Sinpyong-myon, Imsil -gun , Chollabuk-do province of Korea. In general morphology it is similar to A. koreensis. however, the new speices differs from the latter in having longer ovipositor of female in spawing season and showing pear-shaped eggs. In hybridization experiments, it was found that A.somjinensis is repoductively isolated from A.koreensis.