Yellowtail Surgeonfish (Zebrasoma xanthurum) slowly bites something off a coral rock, then slowly swims behind a rock, close-up.

Joseph Leverton on Instagram: "Here are five fun facts about purple tangs (Zebrasoma xanthurum): 1. Royal Colors: Their deep purple or bluish body contrasts with their bright yellow tail, making them one of the most striking tang species. This coloration helps them blend into coral reefs while still standing out to divers and aquarium enthusiasts. 2. Red Sea Natives: Purple tangs are primarily found in the Red Sea and the western Indian Ocean, where they inhabit coral reefs and rocky areas, graz