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首页> 外文期刊>The Journal of Experimental Biology >Spiny lobsters detect conspecific blood-borne alarm cues exclusively through olfactory sensilla.
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Spiny lobsters detect conspecific blood-borne alarm cues exclusively through olfactory sensilla.

机译：刺龙虾仅通过嗅觉感知器检测特定的血源性警报提示。

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摘要

When attacked by predators, diverse animals actively or passively release molecules that evoke alarm and related anti-predatory behavior by nearby conspecifics. The actively released molecules are alarm pheromones, whereas the passively released molecules are alarm cues. For example, many insects have alarm-signaling systems that involve active release of alarm pheromones from specialized glands and detection of these signals using specific sensors. Many crustaceans passively release alarm cues, but the nature of the cues, sensors and responses is poorly characterized. Here we show in laboratory and field experiments that injured Caribbean spiny lobsters, Panulirus argus, passively release alarm cues via blood (hemolymph) that induce alarm responses in the form of avoidance and suppression of feeding. These cues are detected exclusively through specific olfactory chemosensors, the aesthetasc sensilla. The alarm cues for Caribbean spiny lobsters are not unique to the species but do show some phylogenetic specificity: P. argus responds primarily with alarm behavior to conspecific blood, but with mixed alarm and appetitive behaviors to blood from the congener Panulirus interruptus, or with appetitive behaviors to blood from the blue crab Callinectes sapidus. This study lays the foundation for future neuroethological studies of alarm cue systems in this and other decapod crustaceans.
机译：当受到掠食者攻击时，各种动物会主动或被动释放分子，这些分子会引起附近物种的警报和相关的反掠夺行为。主动释放的分子是警报信息素，而被动释放的分子是警报线索。例如，许多昆虫都有警报信号系统，其中包括主动释放专用信息腺的警报信息素并使用特定的传感器检测这些信号。许多甲壳类动物会被动释放警报提示，但是提示，传感器和响应的性质却很差。在这里，我们在实验室和野外实验中显示，受伤的加勒比多刺龙虾Panulirus argus通过血液（血淋巴）被动释放警报提示，以避免和抑制进食的形式引起警报响应。这些提示仅通过特定的嗅觉化学传感器（麻醉感官）来检测。加勒比刺龙虾的警报信号并非该物种独有，但确实表现出一定的系统发育特异性：阿古斯P主要对同种血的警报行为做出反应，但对同种Panulirus中断的血液或食物具有混合的警报和食欲行为。行为从蓝蟹Callinectes sapidus到血液。这项研究为将来在这种和其他十足动物甲壳类动物中提示系统的神经心理学研究奠定了基础。

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