The cleaner–client system among reef teleosts has received considerable attention in both wild and captive environments, but the spatially and taxonomically diverse associations between cleaner fish and elasmobranchs are less understood. Using remote video, we investigated interactions between giant manta rays (Mobula birostris) and cleaner wrasse at a seamount in the Philippines. Cleaning events occurred between 11:00 and 16:00 h on a seasonal basis and were constrained by current strengths and ambient water temperatures. The frequency with which giant manta rays interacted with cleaner fish varied on an individual basis. Blue streaked cleaner wrasse (Labroides dimidiatus) and moon wrasse (Thalassoma lunare) selectively foraged on manta rays’ gills and pelvis, with L. dimidiatus also demonstrating slight preferences for the pectoral fins. Cleaners’ foraging preferences may indicate ectoparasitic infections in specific areas of a manta ray’s body. The exclusivity with which giant manta rays visited a particular cleaning station on the seamount may be a response to the quality of services that cleaners provide there. Giant mantas’ fidelity to this site may also be attributed to localised concentrations of food that are available nearby. The seamount provides habitat that appears to be important to the life history strategies of the region’s giant manta rays.

中文翻译：

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电流强度、温度和体貌调节巨型蝠鲼的清洁服务

在野生和圈养环境中，珊瑚礁硬骨鱼中的清洁客户系统受到了相当大的关注，但人们对清洁鱼和硬骨鱼之间在空间和分类上的多样性关联知之甚少。我们使用远程视频调查了菲律宾海山巨型蝠鲼（Mobula birostris）和清洁濑鱼之间的相互作用。清洁事件按季节发生在 11:00 到 16:00 之间，并受当前强度和环境水温的限制。巨型蝠鲼与清洁鱼相互作用的频率因人而异。蓝色条纹清洁濑鱼 (Labroides dimidiatus) 和月亮濑鱼 (Thalassoma lunare) 选择性地在蝠鲼的鳃和骨盆上觅食，而 L. dimidiatus 也表现出对胸鳍的轻微偏好。清洁工的觅食偏好可能表明蝠鲼身体特定区域的外寄生虫感染。巨型蝠鲼访问海山特定清洁站的排他性可能是对清洁工在那里提供的服务质量的回应。巨型蝠鲼对这个地点的忠诚也可能归因于附近食物的局部集中。海山提供的栖息地似乎对该地区巨型蝠鲼的生活史战略很重要。巨型蝠鲼对这个地点的忠诚也可能归因于附近食物的局部集中。海山提供的栖息地似乎对该地区巨型蝠鲼的生活史战略很重要。巨型蝠鲼对这个地点的忠诚也可能归因于附近食物的局部集中。海山提供的栖息地似乎对该地区巨型蝠鲼的生活史战略很重要。