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来自泰国普兰布里河口的马之间的比较消化生物学,泰国

Tassaporn Kanjanarakha¹, Sinlapachai Senarat², Kitipong Angsujinda³

¹Department of Marine Science, Faculty of Science, Chulalongkorn University, Bangkok, Thailand.

Journal of fish biology

|January 17, 2024

概括

装饰马鱼 (Nuchequula gerreoides) 和华丽马鱼 (Eubleekeria splendens) 的消化生物学揭示了不同的养策略. 努切奎拉 (Nuchequula gerreoides) 是食肉动物,而Eubleekeria splendens则是一种食肉动物或食草动物过动物.

科学领域:

鱼类学鱼类学鱼类学
比较解剖学的比较解剖学
消化系统生理学消化系统生理学

背景情况:

鱼类 (Leiognathidae) 在热带河口具有生态意义.
了解它们的消化适应对于河口生态系统动态至关重要.

研究的目的:

为了比较消化系统形态,并推断Nuchequula gerreoides和Eubleekeria splendens的养生态.
为了确定与饮食相关的关键解剖差异,在这两种leiognathid物种.

主要方法:

从632个鱼样中对消化道的形态和组织学分析.
在两个不同的季节 (2017年2月至4月,9月至11月) 从泰国普兰布里河口收集样本.

主要成果:

这两种物种都有共同的基本消化结构:短食道,发达的胃腺体和三个胆囊.
努切奎拉 (Nuchequula gerreoides) 具有食肉动物的特征 (更长的嘴巴,更光滑的状,肠系数 (IC) 为1.08).
Eubleekeria splendens显示了过的适应性 (状状,肠子较长,IC为2.16),这表明它们具有食肉或食草的习惯.

结论:

尽管整体结构相似,但明显的消化特征表明N. gerreoides和E. splendens的特殊食.
N. gerreoides很可能采用吸食,而E. splendens则适应过式食.
这些发现有助于理解河口鱼群中的功能形态和食用作用.

关键词:

胃组织学胃组织学泰国泰国泰国泰国肠道形态肠道形态

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