潜入双重功能:狮子鱼的游泳膀肌肉用于浮力和声学能力
Eric Parmentier1, Anthony Herrel2, Marine Banse1
1Laboratory of Functional and Evolutionary Morphology, FOCUS, University of Liège, Liège, Belgium.
Journal of anatomy
|October 27, 2023
概括
狮子鱼使用游泳膀肌肉来产生声音和运动. 这些肌肉产生低频的声和敲响,可能作为无血体信号,并有助于运动.
科学领域:
- 鱼类学 鱼类学 鱼类学
- 生物声学是一种生物声学.
- 功能性形态学 功能性形态学
背景情况:
- 游泳膀主要有助于浮力,但可以参与听力和声音的产生.
- 游泳膀肌肉用于声音可能是一种抽取,有限的模型表明运动和声音的双重功能.
- 研究Pteroinae (狮子鱼) 游泳膀相关肌肉的功能作用对于了解它们的生物声学和运动至关重要.
研究的目的:
- 研究狮子鱼物种中与游泳膀相关的肌肉的功能.
- 确定这些肌肉是否参与声音产生和/或运动.
- 探索这些肌肉在发声方面的潜在利用.
主要方法:
- 电肌图和组织学分析声波肌肉.
- 射线影像 (cineradiography) 用于观察运动和声音产生期间的肌肉功能.
- 对Pterois volitans,P. radiata和Dendrochirus zebra的声学特征,形态和声音产生进行分析.
主要成果:
- 当受到干扰时,Pterois volitans,P. radiata和Dendrochirus zebra会产生低频的声和敲响.
- 声音的产生与来自神经和插入游泳膀的肌肉有关.
- 射线影像显示,这些肌肉改变了游泳膀的形状和身体的俯仰,帮助运动.
结论:
- 狮子鱼中与游泳膀相关的肌肉可能负责声音产生 (声和敲击) 和运动.
- 快速的肌肉收缩与声音产生相关,而持续的收缩改变了游泳膀的形状和身体俯仰.
- 这项研究提供了证据,证明了这些肌肉的双重作用,支持了声音生成的脱落假设.
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