Scientific name: Labroides dimidiatus
Taxonomy: Kingdom Animalia → Phylum Chordata → Subphylum Vertebrata → Infraphylum Gnathostomata → Parvphylum Osteichthyes → Gigaclass Actinopterygii → Class Actinopteri → Subclass Teleostei → Order Eupercaria → Family Labridae → Genus Labroides
Locations: Indo-Pacific
Group: Marine Life → Fish → Wrasses
Fish will visit the wrasse's territory and hold still to be cleaned. I've got a whole page of pictures of bluestreak cleaner wrasse cleaning other fish (and me!)