Diversity and evolution of amphibian pupil shapes

Diversity and evolution of amphibian pupil shapes
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两栖动物瞳孔形状的多样性和进化

DOI:
10.1093/biolinnean/blac095
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发表时间:
2022
影响因子:
1.9
通讯作者:
Bell, Rayna C
Bell, Rayna C
中科院分区:
生物学2区
文献类型:
--
作者:
Thomas, Kate N;Rich, Caitlyn;Quock, Rachel C;Streicher, Jeffrey W;Gower, David J;Schott, Ryan K;Fujita, Matthew K;Douglas, Ron H;Bell, Rayna C

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瞳孔收缩对动物的视觉有重要的功能影响,但不同瞳孔大小和形状的进化机制尚不清楚。我们旨在量化两栖动物瞳孔形状的多样性和进化,并基于功能假设测试其与生态学的潜在相关性。利用照片调查了3目74科1294种两栖动物的成虫瞳孔形状,以及蛙类和蝾螈两科幼虫的瞳孔形状。对于具有两相生活史的两栖动物来说,瞳孔形状在许多物种在变态前后占据不同的栖息地时发生了变化。此外,非细长(圆形或菱形)瞳孔与生活在水生或地下环境的物种有关,而细长瞳孔(具有垂直或水平长轴)在绝对眼睛尺寸较大的物种中更为常见。我们提出,两栖动物提供了一个有价值的群体,其中探索解剖,生理,光学和生态机制背后的瞳孔形状的演变。
Pupil constriction has important functional consequences for animal vision, yet the evolutionary mechanisms underlying diverse pupil sizes and shapes are poorly understood. We aimed to quantify the diversity and evolution of pupil shapes among amphibians and to test for potential correlations to ecology based on functional hypotheses. Using photographs, we surveyed pupil shape across adults of 1294 amphibian species, 74 families and three orders, and additionally for larval stages for all families of frogs and salamanders with a biphasic ontogeny. For amphibians with a biphasic life history, pupil shape changed in many species that occupy distinct habitats before and after metamorphosis. In addition, non-elongated (circular or diamond) constricted pupils were associated with species inhabiting aquatic or underground environments, and elongated pupils (with vertical or horizontal long axes) were more common in species with larger absolute eye sizes. We propose that amphibians provide a valuable group within which to explore the anatomical, physiological, optical and ecological mechanisms underlying the evolution of pupil shape.
西非象牙海岸的树蛙新属和新种(两栖类:无尾目:Hyperoliidae)
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发表时间: 2018-05-01
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DOI: 10.1098/rspb.2020.1393
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影响因子: --
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