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Position: Home > Articles > Study on the Morphological Characteristics of American Shad Hubei Agricultural Sciences 2008,47 (7) 98-99

美洲鲥形态结构初步观察

作  者:
刘金兰;孙文君;董少杰;杨广
单  位:
天津农学院水产科学系/天津市水产生态及养殖重点实验室;天津市津南国家农业科技园区
关键词:
美洲鲥;形态特征;内部结构
摘  要:
对美洲鲥的外部形态和内部结构进行了观察。结果表明,美洲鲥侧扁,呈纺锤形,被圆鳞;脂眼睑发达,遮住眼的一半,鳃后具4~9个黑斑;鳃耙长而细密,第一鳃弓鳃耙数27+44;侧线不发达,侧线鳞50~55枚;胃呈"Y"形,盲囊部膨大,幽门盲囊63~67条,肠不盘曲,短于体长。
译  名:
Study on the Morphological Characteristics of American Shad
作  者:
LIU Jin-lan1,SUN Wen-jun2,DONG Shao-jie1,YANG Guang1(1.Department of Fishery Science,Tianjin Agricultural College,Key Laboratory of Aquatic Ecology and Aquaculture of Tianjin,Tianjin 300384,China;2.Jinnan National Agricultural Science & Technology Park of Tianjin,Tianjin 300350,China)
关键词:
Alosa sapidissima;morphological characteristics;internal structure
摘  要:
According to vivisecting results of American shad,the morphological characteristics and the internal structure of Alosa sapidissima are described.The body shape is spindly with cycloid scales.Adipose eyelid is well developed and shades half of the eye.4~9 black maculas can be found behind operculum.Lateral line with 50~55 lateral line scales is not developed well.Gill rakers are slender and dense,the first gill has 27+44 gill rakers.The shape of stomach is "Y" with a bulgy submucous layer and 63~67 pyloric caecas.Intestine without curling is shorter than the length of body.

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