Comparison of mortality and feeding behavior of the false cleanerfish Aspidontus taeniatus and the lance blenny A. dussumieri regarding the effects of mimicry.
Comparison of mortality and feeding behavior of the false cleanerfish Aspidontus taeniatus and the lance blenny A. dussumieri regarding the effects of mimicry.
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DOI：
10.1007/s10164-022-00769-8
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发表时间：
2023
影响因子：
0.9
通讯作者：
中科院分区：
文献类型：
--
作者：
在珊瑚礁鱼类中有许多模仿的例子，其中最著名的是假清洁鱼Aspidontus taeniatus模仿蓝鳍清洁鱼Labroides dimidiatus。研究A.通过对日本南部冲绳宫古岛珊瑚礁的野外观察，比较了无拟鱼（Aspidontus dussumieri）和无拟拟鱼（Aspidontus dussumieri）的死亡率和摄食行为。A.存活率taeniatus比A. dussumieri，但检测到的差异并不显着，并且无法确定保护性模仿的效果。在研究地点，这两个物种共同的底栖食物（管虫，Spirobranchus specteus，和钻孔蛤，Tridacna crocea）非常稀缺，这两个物种的摄食行为明显不同：A。dussumieri啄食底层基质，而A.食鱼鳍及雀鲷卵，不分体型大小。我们的研究结果是第一个记录在案的证据表明，攻击性模仿对咬鱼鳍的影响与其他食物的可用性有关，不仅在小的，而且在大的A。带条肌在线版本包含补充材料，可通过10.1007/s10164-022-00769-8获得。
Many examples of mimicry have been reported in coral reef fishes of which the most well known is the mimicry of the bluestreak cleaner wrasse, Labroides dimidiatus by the false cleanerfish, Aspidontus taeniatus. To examine the effect of protective and aggressive mimicry of A. taeniatus, mortality and feeding behavior were compared with those of the non-mimic lance blenny, Aspidontus dussumieri, by field observations on the coral reefs of Miyako Island, Okinawa, southern Japan. Survival rate of A. taeniatus was more than twice higher than that of A. dussumieri, but the detected differences were not significant, and the effect of protective mimicry could not be determined. The benthic foods common to both species (the tubeworm, Spirobranchus giganteus, and the boring clam, Tridacna crocea) were very scarce in the study sites, and the feeding behavior of the two species was clearly different: A. dussumieri pecked at the bottom substrate, whereas A. taeniatus fed on fish fins and eggs of damselfish, regardless of body size. Our findings are the first documented evidence of the effect of aggressive mimicry on biting fish fins in relation to the availability of other foods not only in small but also in large A. taeniatus. The online version contains supplementary material available at 10.1007/s10164-022-00769-8.
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