低周波振動音に対する魚類の反応
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概要
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Fish are considered to generate extremely low frequency sound by the motion of the finor body in water, and to use this sound for mutual communication in schooling. This means that fish may be able to perceive the low-frequency sound produced by the motion of objects in water. This paper deals with the very low-frequency underwater sound produced by the motion of fish and fishing gears in water and the responses of the fish to this sound. Results obtained are summarized as follows: 1) Fish and fishing gears produce short pulses by their motion in water. 2) A rapid pressure change was detected at the net mouth of a wingless model dragnet. 3) The fish responds by rapid swimming or tail flipping to the pulsy sound or the pressure change in water.
- 公益社団法人 日本水産学会の論文
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