green-sea-turtle-yellow-tang-cleaningPrevalent in the clear waters that surround St. John, the Blue Tang Surgeonfish (Acanthurus coeruleus) begin as yellow juveniles, turn pastel blue as adolescents, and bright blue as adults. Called “Atlantic Blue Tangs” or “Caribbean Blue Tangs”, they can grow to be up to 15 inches long. blue-tang-juvenile

When snorkeling, you’ll most likely see the yellow juveniles swimming alone and the older blue tangs swimming . in schools, usually near other schools of their cousins, the sergeant majors. blue-tang-adolescent

Blue tangs eat algae and can be seen tickling the neck and fins of sea turtles looking for food. They are active swimmers during the day and will tuck-in for the night around rocks and coral. Read more about blue tangs here. Read about other reef fish here.


See blue tangs for yourself! If you’re interested in booking St. John Virgin Islands rentals, the best resource is Windspree Vacation Homes, renting Virgin Islands vacation rentals for over 30 years. Book your St. John vacation rental from people who live there and know the island best! For more information on Virgin Islands rentals and St. John USVI rentals, checkout Windspree.com and call or text (340)201-3002.blue tang schoolblue tang coral reef

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