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首页> 外文期刊>Indian Journal of Fisheries >Food patch choice in climbing perch Anabas testudineus (Bloch, 1792)
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Food patch choice in climbing perch Anabas testudineus (Bloch, 1792)

机译:攀爬鲈鱼Anabas testudineus的食物补丁选择(Bloch,1792)

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摘要

The current study analysed how the climbing perch Anabas testudineus an air-breathing freshwater fish make choice when a pair of food patches differing in the gain is presented. The results revealed no significant variation in the preference towards the patch of food material cumulated in one place over the same amount of food dispersed in a wider area and located at an equal distance. Additionally, enhancement of the value of dispersed or cumulated patch, by moving it towards the subject fish (spatial discounting) was also found to be ineffective in influencing the food patch utilisation in this species.
机译:当前的研究分析了当呈现一对增益不同的食物块时,如何选择攀爬栖息的Anabas testudineus呼吸空气淡水鱼。结果表明,在同一地点累积的食品材料补丁的喜好与分散在更广区域并位于等距离的相同数量的食品相比,没有显着差异。另外,还发现通过将分散的或累积的斑块移向目标鱼类(空间折扣)来提高其价值,并不能有效地影响该物种对食物斑块的利用。

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