A bluestreak cleaner wrasse searching the mouth of a clown sweetlips for parasites, Yap, Micronesia, Pacific

actinopterygii animal animal face animal head animal mouth animal themes animals in the wild aquatic bluestreak cleaner wrasse caroline islands chordata clean cleaner fish cleaner wrasse cleaning clown sweetlips color image day ecology fauna fish fish lips front view grunt grunt fish haemulidae harlequin sweetlips head horizontal ichthyology labridae labriformes labroides dimidiatus marine biology micronesia mouth open mutualism no people ocean life oceania open mouth outdoors perciform perciformes photography plectorhinchinae plectorhinchus chaetodonoides saltwater fish sea life sweetlip fish symbiosis symbiotic relationship tropical fish two animals undersea underwater wildlife wrasse yap zoology