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DOI: https://doi.org/10.4491/eer.2018.353
Fish fauna and the population of a Korean endangered freshwater fish, Brachymystax lenok tsinlingensis, in Korea: Bonghwa Habitat
Dohun Lim1, and Yoonjin Lee2
1Korea Natural Environment Institute, 414, Sungsa, Dukyanggu, Goyang 10465, Republic of Korea
2Department of General Education, Konyang University, Daejeon 35365, Republic of Korea
Corresponding Author: Yoonjin Lee ,Tel: +82-42-600-8660, Fax: +82-42-600-8660, Email: leeyj@konyang.ac.kr
Received: October 5, 2018;  Accepted: December 31, 2018.
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This research was an evaluation of the fish fauna and the habitat for Brachymystax lenok tsinlingensis (B. lenok tsinlingensis) for 11 stations at the Bonghwa-gun sanctuary. The predominant species in this research area was Zacco koreanus. B. lenok tsinlingensis, which has been designated as an endangered freshwater fish in Korea, was found in the Bonghwa sanctuary zone, except at stations 5 and 6. The B. lenok individuals were shorter in length than 400 mm. In total, 13 endemic species were found, including Coreoleuciscus splendidus and Iksookimia longicorpus. Specimens of Koreocobitis naktongensis, a first grade endangered species, were also collected. The benthic macroinvertebrates consisted of four divisions, four classes, seven orders, 30 families, 60 species, and 10,344 individuals and were distributed among the orders Ephemeroptera (55.9%), Diptera (18.2%), Trichoptera (12.4%), Plecoptera (2.1%), and Odonata (0.3%).
Keywords: Brachymystax lenok tsinlingensis | Dominant species | Habitat environment | Migration | Threatened species
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