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한국산 잉어과 어류의 인두골과 인두치(제 2보) 잉어 Cyrinus carpio의 인두치의 변이

On the Pharyngeal Bones and Their Teeth in Korean CYPRINIDS Fishes (II) Variation Ratio of Pharyngeal Teeth of Carp(Cyprinus carpio)

한국동물학회지 1964년 7권 1호 p.6 ~ 8
양홍준,
소속 상세정보
양홍준 ( Yang Hong-Jun ) - 경북대학교

Abstract


1. A total of 260 individuals of carp was collected from Nakdong and Hyungsan Rivers. 2. The normal dental form of carp is 3, 1, 1-1, 1, 3, but the author observed abnormal dental forms (3, 2 or 1, 1, (+1)-1, 1 or 2, 3). 3. Variation ratios of dental forms are : A. Normal form; 3, 1, 1-1, 1, 3..........88.85% B. Abnormal forms; a. 3, 2, 1-1, 1 or 2, 3..........2.31% b. 3, 1, 1, 1-1, 1 or 2, 3..........5.00% c. 3, 2, 1, 1-1, 1 or 2, 3..........3.07% d. with 2 or 3 bone processes..........0.77% 4. The ratios among the length of first row (I), length of second tooth in first row (I_2) and mid line(M) are as follows; 5. The growth of bone process beside second row tooth is not concerned with the body growth. 6. The number of the groove on second tooth in first row increases according to the growth of body.

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