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김치홍 ( Chi Hong Kim ),석과수관 ( Toshihiro Ishinabe ),김민경 ( Min Kyoung Kim ),김우진 ( Woo Jin Kim ) 한국어류학회 2012 韓國魚類學會誌 Vol.24 No.2
중국으로부터 유입되어 일본의 이바라키현에서 정착한 큰납지리 Acheilognathus macropterus의 난발생과 자치어의 특성에 대해 관찰하였다. 담황색 수정란의 장타원형으로 난 경은 장경이 2.68~2.86 mm (평균 2.78±0.12 mm, n=40), 단경이 1.42~1.49mm(평균 1.44±0.04 mm, n=40)였다. 암 컷의 개체 당 채란된 알의 수는 124~180개 (평균 151개) 였다. 수정란은 수온 20±1.0˚C에서 수정 후 78시간 만에 부화 하였다. 부화 직후 자어의 크기는 3.8mm이고, 3일째부터는 S자 모양의 빠른 움직임을 보였다. 부화 후 25일 경에 소화 기관이 완성되어 먹이를 먹기 시작하고 부출기에 이르렀 다. 한국산 큰납지리와 외부형태나 미토콘드리아 cytochrome oxidase I (COI) 유전자의 차이는 크지 않았으나 수정 란의 형태가 두 집단 간 뚜렷이 구별되어 분류학적인 논의 가 필요하다. The egg development and early life history of Acheilognathus macropterus from Japan which is an exotic bitterling from China were observed under the controlled water temperature, 20.0± 1.0˚C. Fertilized eggs are opaque yellow in color and long elliptic globe shaped measuring 2.78±0.12 mm in length and 1.44±0.04 mm in breadth. The number of egg averaged 151 per an oviposition. The eggs of this species began to hatch about seventy eight hours after insemination and the mean of total length of larvae were 3.8 mm. S form moving of larvae were observed from three days after hatching. The larvae reached at the heterotrophic stage about twenty-five days after hatching. Morphological character and analysis of cytochrome DNA of this species from Japan were relatively similar to Korean but spawned egg shape was different remarkably. Taxonomical research is necessary in the future.
오민기,박종영,유민정,강언종,양상근,김응오,조용철,박인석,김치홍,Ishinabe Toshihiro 한국어류학회 2008 韓國魚類學會誌 Vol.20 No.3
The Korean bitterling, Acheilognathus signifer (Osteichthyes Cyprinidae), is an endemic and endangered species in Korea. During developmental stages, a small number of oculocutaneous albinism (with colorless body and eyeballs) were observed in the species. In order to investigate histological differences between normal and albinic bitterling, the dorsal skin and choroid-retina of the eyes were taken. The skin and eyes of normal and albino bitterling were similar in structure except for the presence or density of pigment cells. In normal bitterling, the epidermal melanocytes and dermal melanophores were abundantly developed in both the skin and epidermis of the eyes. But in the albino, the dorsal skin had few melanins, and the pigment cells over the choroid-retina pigment epithelium and iris of the eye were very small.