anal fin
美 [ˈeɪnl fɪn]英 [ˈeɪnl fɪn]
- 臀鳍
anal fin
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Anal fin rays ii , 5 ;
臀鳍ii,5;
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Old World freshwater catfishes having naked skin and a long anal fin more or less merged with the eellike caudal fin .
东半球的淡水鲇鱼,体表无鳞,有类似鳗鱼尾鳍的很长的臀鳍。
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Anterior portion of anal fin with narrow black margin .
第一背鳍相当黑色,末梢部白色的与基部地。
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In addition , the anal fin has a curvature that fits the round shape .
还有,尾鳍有一个弯曲度刚好适合鱼的圆型身体。
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Any of various freshwater fishes of the family Cyprinidae related to the carps and minnows , especially a Eurasian species , Leuciscus cephalus . " It has one dorsal and one anal fin , Both long and Both connected to the rounded tail . "
白首鲤一种相关于鲤鱼和鲦鱼的鲤科淡水鱼,尤指欧亚品种,圆鳍雅罗鱼背鳍和臀鳍各一,形长,均与尾鳍基部相连,尾鳍圆形
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