Page 121 - Caribbean Reef Life Demo

BLUE TANG
(Acanthurus coeruleus) < 37 cm / 15 in Uniformly blue with a small yellow spine at the base of the tail. Forms large schools. May lighten in shallower waters.
Surgeon sh are essential to a healthy reef ecosystem. As relentless herbivores they keep the algae levels in check and allow sunlight to reach the corals. There is safety in numbers; Blue Tang are found in large traveling schools and other surgeon sh species often join them for protection.

(Acanthurus coeruleus)
Bright yellow circular body with bright blue margins on the dorsal and anal ns. old iris circled in ri ht lue.
O O
(Acanthurus sp.)
rans arent od ith a sil er head. he lar ae e in to settle on the reef in summer. All species look similar.
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