Fairy wrasses perceive and respond to their deep red fluorescent coloration
Fairy wrasses perceive and respond to their deep red fluorescent coloration
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DOI：
10.1098/rspb.2014.0787
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发表时间：
2014-07-22
影响因子：
4.7
通讯作者：
Michiels, Nico K.
中科院分区：
文献类型：
--
作者：
Gerlach, Tobias;Sprenger, Dennis;Michiels, Nico K.
荧光能够显示自然环境中不存在的波长，提供产生明显颜色对比的潜力。海仙濑鱼Cirrhilabrus solorensis在深红色范围（650-700 nm）内显示出显著的荧光。这是值得注意的，因为海洋鱼类通常被认为对这部分可见光谱的敏感性很差。在此，我们调查了C。solorensis雄性可以通过测试红色荧光的存在或不存在是否影响在唯一的蓝色照明下的雄性-雄性相互作用来感知该物种中的荧光特征。考虑到男性积极响应镜像刺激，我们量化的激动行为对镜子覆盖的过滤器，没有或没有吸收长（即红色）波长。男性表现出显着较少的激动反应时，他们的荧光信号被掩盖，独立的亮度差异。我们的结果明确地表明，C。solorensis可以看到它的深红色荧光着色，这种模式影响雄性之间的相互作用。这是第一项研究表明，深红色荧光体着色可以感知，并在珊瑚鱼的行为意义。
Fluorescence enables the display of wavelengths that are absent in the natural environment, offering the potential to generate conspicuous colour contrasts. The marine fairy wrasse Cirrhilabrus solorensis displays prominent fluorescence in the deep red range (650-700 nm). This is remarkable because marine fishes are generally assumed to have poor sensitivity in this part of the visual spectrum. Here, we investigated whether C. solorensis males can perceive the fluorescence featured in this species by testing whether the presence or absence of red fluorescence affects male-male interactions under exclusive blue illumination. Given that males respond aggressively towards mirror-image stimuli, we quantified agonistic behaviour against mirrors covered with filters that did or did not absorb long (i.e. red) wavelengths. Males showed significantly fewer agonistic responses when their fluorescent signal was masked, independent of brightness differences. Our results unequivocally show that C. solorensis can see its deep red fluorescent coloration and that this pattern affects male-male interactions. This is the first study to demonstrate that deep red fluorescent body coloration can be perceived and has behavioural significance in a reef fish.