Guardian Nature School Team Contact Blog Project Noah Facebook Project Noah Twitter

A global community of nature enthusiasts
photographing and learning about wildlife

Join Project Noah!
nature school apple icon

Project Noah Nature School visit nature school

Atlantic blue tang

Acanthurus coeruleus


Although the body of the reef fish can vary in shade from light to dark blue, the dorsal, anal and caudal fins are golden blue. As juveniles, the edges on their dorsal and anal fins and the rings around their eyes are purple-blue, blue or blue-green. Juveniles may also be larger than adults and are called Atlantic yellow tang surgeonfish until they become adults. Their colors change during growth from a yellow juvenile, yellow tailed blue subadult and the blue adult phase.


Acanthurus coeruleus is common off of Florida, the Bahamas, and other places in the Caribbean sea, including Bonaire. Blue Tangs are very common in Belize and especially Ambergris Caye. They are also common in the Gulf of Mexico. They are also found south to Brazil and north to New York and eat krill.


saw in bonaire

1 Species ID Suggestions

XXD17 11 years ago
Atlantic blue tang

Sign in to suggest organism ID

1 Comment

Jake Barnes
Jake Barnes 11 years ago

Thanks again xiaoxuan

Jake Barnes
Spotted by
Jake Barnes

Spotted on Jun 26, 2009
Submitted on Apr 5, 2012

Related Spottings

Atlantic Blue Tang Surgeonfish Convict Surgeon Fish  Atlantic Blue Tang Convict Surgeonfish

Nearby Spottings

French Grunt Mix Smallmouth & French Grunt Chain Moray Eel French Angelfish
Noah Guardians
Noah Sponsors
join Project Noah Team

Join the Project Noah Team