Ink Release and Swimming Behavior in the Oceanic Ctenophore Eurhamphaea vexilligera

Ink Release and Swimming Behavior in the Oceanic Ctenophore Eurhamphaea vexilligera
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海洋栉水母 Eurhamphaea vexilligera 的墨水释放和游泳行为

DOI:
10.1086/709504
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发表时间:
2020
期刊:
The Biological Bulletin
影响因子:
--
通讯作者:
Costello, J. H.
Costello, J. H.
中科院分区:
--
文献类型:
--
作者:
Townsend, J. P.;Gemmell, B. J.;Sutherland, K. R.;Colin, S. P.;Costello, J. H.

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在超过150种栉水母中,海洋栉水母eurhamphaea vexilligerais以其明亮的橙黄色墨水而闻名,这种墨水是由排列在其气孔下梳状排的许多小泡分泌的。迄今为止,在观察这些动物自然行为的情况下,由水肺潜水员进行的观察已被证明是最有效的方法。我们提出了一个这样的当代基于水肺观察的结果。这项研究是在佛罗里达海岸外的墨西哥湾流水域进行的,使用了高分辨率的摄影和视频。利用专门用于拍摄胶状浮游动物的水下摄像系统,我们观察到了de。水凝胶释放和原位游泳行为。根据这些数据,我们描述了e的时间线和机制。墨水释放的细节,以及动物的不同游泳行为和由此产生的墨水扩散模式。我们还描述了一种滚动游泳行为,伴随并可能促进了整体体型的特征变化。这些观察结果为深入了解这种独特的栉水母的行为生态学提供了进一步的见解,并可能为未来的运动学研究奠定基础。
Of the more than 150 ctenophore species, the oceanic ctenophoreEurhamphaea vexilligerais notable for its bright orange-yellow ink, secreted from numerous small vesicles that line its substomodeal comb rows. To date,in situobservations by scuba divers have proved the most fruitful method of observing these animals’ natural behavior. We present the results of one such contemporary scuba-based observation ofE. vexilligera, conducted in the Gulf Stream waters off the coast of Florida, using high-resolution photography and video. Utilizing underwater camera systems purpose built for filming gelatinous zooplankton, we observedE. vexilligeraink release and swimming behaviorin situ. From these data, we describe the timeline and mechanics ofE. vexilligeraink release in detail, as well as the animal’s different swimming behaviors and resulting ink dispersal patterns. We also describe a rolling swimming behavior, accompanied and possibly facilitated by a characteristic change in overall body shape. These observations provide further insight into the behavioral ecology of this distinctive ctenophore and may serve as the foundation for future kinematic studies.
DOI: 10.5962/bhl.title.21926
发表时间: 2009
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影响因子: --
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