Kinematic analysis of social interactions deconstructs the evolved loss of schooling behavior in cavefish.
Kinematic analysis of social interactions deconstructs the evolved loss of schooling behavior in cavefish.
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DOI：
10.1371/journal.pone.0265894
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发表时间：
2022
期刊：
影响因子：
3.7
通讯作者：
Fily Y
中科院分区：
文献类型：
--
作者：
Patch A;Paz A;Holt KJ;Duboué ER;Keene AC;Kowalko JE;Fily Y
鱼类表现出显着的多样性的社会行为，无论是在物种内部和物种之间。虽然社会行为可能对生存至关重要，但令人惊讶的是，人们对它们如何应对不断变化的环境压力知之甚少。由于其高度社会化的表面形式和多个群体的主要是反社会的，盲目的，洞穴居住的形式，墨西哥四，Astyanax mexicanus，提供了一个强大的模型来研究社会行为的进化。在这里，我们使用运动跟踪和游泳运动学分析，以量化社会游泳在四个Astyanax mexicanus人口。在光线下，水面鱼群相互保持紧密接近和对齐。在黑暗中，水面上的鱼不再形成连贯的鱼群，然而，当它们发现自己靠近另一条鱼时，它们仍然表现出试图对齐和保持接近的迹象。相比之下，来自三个独立进化种群（Pachón、Molino、Tinaja）的洞穴鱼几乎没有表现出对邻近或对齐的偏好，而是表现出主动回避彼此的行为。我们研究的三个洞穴种群中有两个也会在水箱中有更多的鱼时放慢速度，这种行为在光线或黑暗中的水面鱼中都没有观察到，这表明对同种鱼的不同反应。使用数据驱动的计算机模拟，我们表明，观察到的游泳速度降低足以改变鱼类探索环境的方式：它可以增加探索远离墙壁的时间。因此，洞穴鱼没有学校教育不仅仅是它们无法看到的结果，而可能是一种真正的行为适应，影响了它们探索环境的方式。
Fish display a remarkable diversity of social behaviors, both within and between species. While social behaviors are likely critical for survival, surprisingly little is known about how they evolve in response to changing environmental pressures. With its highly social surface form and multiple populations of a largely asocial, blind, cave-dwelling form, the Mexican tetra, Astyanax mexicanus, provides a powerful model to study the evolution of social behavior. Here we use motion tracking and analysis of swimming kinematics to quantify social swimming in four Astyanax mexicanus populations. In the light, surface fish school, maintaining both close proximity and alignment with each other. In the dark, surface fish no longer form coherent schools, however, they still show evidence of an attempt to align and maintain proximity when they find themselves near another fish. In contrast, cavefish from three independently-evolved populations (Pachón, Molino, Tinaja) show little preference for proximity or alignment, instead exhibiting behaviors that suggest active avoidance of each other. Two of the three cave populations we studied also slow down when more fish are present in the tank, a behavior which is not observed in surface fish in light or the dark, suggesting divergent responses to conspecifics. Using data-driven computer simulations, we show that the observed reduction in swimming speed is sufficient to alter the way fish explore their environment: it can increase time spent exploring away from the walls. Thus, the absence of schooling in cavefish is not merely a consequence of their inability to see, but may rather be a genuine behavioral adaptation that impacts the way they explore their environment.
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影响因子：
2.7
作者：
Bierbach, David;Krause, Stefan;Krause, Jens
通讯作者：
Krause, Jens
影响因子：
4.1
作者：
Bibliowicz J;Alié A;Espinasa L;Yoshizawa M;Blin M;Hinaux H;Legendre L;Père S;Rétaux S
通讯作者：
Rétaux S
影响因子：
1.8
作者：
Elgeti, Jens;Gompper, Gerhard
通讯作者：
Gompper, Gerhard
影响因子：
2
作者：
Couzin, ID;Krause, J;Franks, NR
通讯作者：
Franks, NR
DOI：
10.1101/pdb.prot5091
发表时间：
2008-11-01
期刊：
CSH protocols
影响因子：
--
作者：
Borowsky, Richard
通讯作者：
Borowsky, Richard