| 瓣结鱼的食谱及食性研究 |
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| 引用本文： | 谢恩义,何学福.瓣结鱼的食谱及食性研究[J].怀化学院学报,1999(2). |
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| 作者姓名： | 谢恩义 何学福 |
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| 作者单位： | 西南师大生命科学系!重庆630715 |
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| 摘 要： | 瓣结鱼为水中垂直取食的温和肉食性鱼类．从140尾鱼（体长9．57-44．2cm）肠内含物分析，其食谱以水生昆虫及其幼、稚虫为主，该类食物出现率为99．29％，其次为螺、蚌等软体动物，出现率为15％．摄食强度有明显的季节性变化，以春季的3、4月最高，分别为93．33％和70．33％，5－7月较低，其它月份较为稳定．冬季以及生殖群体在繁殖季节无停食现象．该鱼的肠长／体长为1．21(N＝341），其视觉在摄食中起重要作用．
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| 关 键 词： | 瓣结鱼 食谱 摄食习性 |
Food Items and Feeding Habits of Tor Brevifilis Brevifilis (Peters) |
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| Xin Enyi.Food Items and Feeding Habits of Tor Brevifilis Brevifilis (Peters)[J].Journal of Huaihua University,1999(2). |
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| Authors: | Xin Enyi |
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| Abstract: | Tor brevifilis is a column feeder and has a tender carnivorous habit. from the statistical analyses of gut contents of 140 speciments (9.57 ~ 44.2cm), They feed mainly on larva of aquatic insect with appearing rate 99.29%,secondly molluse such as snail, clam with appearing rate 15%, Feeding intensty changes strongly wity the season, The highest periods are in Mareh and April, it is 91 .33% and 70.33% respectively, the lowest periods are from May to July,others are stable. They feed in winter and reproduction season for mature population too.The gut length:body length ratio is 1.21 (N= 341), The sight plys an important role in feeding. |
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| Keywords: | Tor brevifilis brevifils (Peters) food tems feeding habits |
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