Cleaner Wrasse 

Cleaner Wrasse (Labroides dimidiatus) The body is compressed, elongated, and covered with large scales. The head is pointy; the snout is elongated, with a small terminal mouth lined with numerous small and pointed teeth. The upper jaw is longer than the lower. The forward half of the body is brownish, and darker on the back than on the belly. A broad black band runs from the beginning of the snout all the way to the tip of the anal fin, widening as it goes. The base of the anal fin and the rear part of the body are an intense dark blue. It attains a length of ten centimeters.