A longspine grouper (Epinephelus longispinis) being cleaned by a cleaner wrasse (Labroides dimidiatus).

actinopterygii animal animal behavior animal markings animal patterns animal themes aquatic beauty black background bluestreak cleaner wrasse cleaner fish cleaner wrasse cleaning color image epinephelinae epinephelus longispinis feeding fish full length grouper horizontal labridae labriformes labroides dimidiatus longspine grouper maldives mutualism no people outdoors perciformes photography red hind sea life serranidae side view south asia spotted symbiosis symbiotic relationship tropical fish two animals underwater wildlife wrasse zoology