Abstract—

The influence of urea and thiourea on the dynamics of the migration activity of climbing perch Anabas testudineus was studied. The exposure of climbing perch to 0.05% solutions of these substances leads to a modification of migration activity: the dynamics of movements in the water flow changes, and the frequency of jumping decreases. Urea and thiourea have a similar effect on the rheoreaction of the climbing perch: the proportion of fish which moving downstream were reduced. However, the effects of these compounds differ in the time of the beginning of the effect on migration activity: on the 2^nd and 5^th days of exposure, respectively. Both substances modify group behavior in climbing perch, reducing the number of fish movements in groups by 10%.

中文翻译：

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尿素和硫脲对攀爬鲈鱼睾丸迁移活性的影响

摘要-

研究了尿素和硫脲对攀爬鲈鱼Anabas testudineus迁移活动动力学的影响。攀爬鲈鱼暴露于这些物质的0.05％溶液中会导致迁移活动发生变化：水流运动的动力学发生变化，跳跃的频率降低。尿素和硫脲对攀爬鲈的流变反应有类似的影响：向下游移动的鱼的比例减少了。对2：然而，这些化合物的作用在对迁移活性的影响开始的时间不同^次和5^次分别曝光的天。两种物质都会改变攀爬鲈鱼的群体行为，使群体中鱼类运动的数量减少10％。