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논문 기본 정보

자료유형
학술저널
저자정보
Park, Shi-Ryong (Department of Biology, Korea National University of Education) Lee, Jeong Hee (Department of Biology, Korea National University of Education) Cheong, Seokwan (Department of Biology, Korea National University of Education)
저널정보
한국통합생물학회 Korean journal of biological sciences Korean journal of biological sciences 제5권 제2호
발행연도
2001.1
수록면
127 - 132 (6page)

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초록· 키워드

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The object of this study is to differentiate the reproductive behaviors of Pungitius sinensis and P. kaibarae inhabiting the southern part of the Korean Peninsula. We collected P. sinensis from Jusu stream, Okkyemyeon and P. kaibarae from Sacheon stream, Sacheon-myeon both in Gangwon province and subsequently raised and observed them in an aquarium. At the beginning of the reproductive season, male P. sinensis got tinged with dark green, made a territory, and built nests on the bottom. On the other hand, male P. kaibarae became black all over, its white ventral spines became conspicuous and built nests on the stems of waterweed off the bottom. In the courtship dance, male P. sinensis made frequent attempts to entice females into their nests after many bitings, while male P. kaibarae mostly did this with conspicuous jumpings. In courtship behaviors, the body's angle of male P. kaibarae with his head down was larger than that of male P. sinensis by 50-60 degrees. During courtship, the biting frequency as an index of aggressive behavior was greater in P. sinensis and the jumping frequency as an index of sexual behavior was greater in P. kaibarae. During the courtship dance, bitings tended to suppress jumpings, for P. sinensis, but not for P. kaibarae.

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