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KMID : 0894520190230020161
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Development & Reproduction
2019 Volume.23 No. 2 p.161 ~ p.170
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Morphological Development of Egg, Larvae and Juvenile in Korean shinner, Coreoleuciscus splendidus from the Ungcheon-Stream of Korea
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Park Jae-Min
Cho Seong-Jang
Jo Hye-In
Han Kyeong-Ho
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Abstract
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The purpose of this study is to investigate the development of Coreoleuciscus splendidus egg and larvae morphology in the Ungcheon-stream. C. splendidus eggs were round and ranged in size from 1.86?2.01 mm (mean 1.91±0.14 mm). Immediately after hatching, the larvae had egg yolk in the abdomen with a total length of 5.27?6.63 mm (mean 5.95±0.96 mm). On the 10 days after hatching, the latter was 8.44?8.65 mm (mean 8.54±0.14 mm) in total length, and 5 dorsal fin rays were formed in dorsal fin and 8 caudal fin soft rays were formed in caudal fin. At 88 days after hatching, total length was 26.2?25.7 mm (mean 25.9±0.35 mm), and scales were formed throughout the body. The fin rays of each part were iii.7 in dorsal fin and iii.6 in anal fin, and finally the external form was the same as the adult fish.
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KEYWORD
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Coreoleuciscus splendidus, egg, juvenile, Korean shinner, larvae
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