묵납자루 Acheilognathus signifer와 납자루 A. lanceolatus 사이의 자연 잡종 출현 = Occurrence of a Natural Hybrid between Acheilognathus signifer and A. lanceolatus (Pisces: Cyprinidae)

다국어 초록 (Multilingual Abstract)

A natural hybrid between Acheilognathus signifer and A. lanceolatus was collected in their sympatric area, the Gimhwanamdaecheon of Hangang (River), Korea. Morphological characters, mitochondrial cytochrome b gene (cyt b), and recombination-activating gene 1 (RAG-1) were investigated to confirm the natural hybrid origin. As a result of morphological characters, the natural hybrid was appeared to have intermediate characters between two parental species in three characters; the band of dorsal fin, the color patterns of anal fin membrane, and the body color. In analysis of cyt b, it was revealed that the maternal species of the natural hybrid was appeared to be A. signifer due to their 99.9% sequence identity. Also, in analysis of RAG-1, an electropherogram of the hybrid individual displayed double peaks, strongly indicating its hybrid state.

참고문헌 (Reference)

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