A blue parrotfish (Scarus coeruleus ) waits as bacteria and other small organisms are eaten off of its body by smaller fish at a cleaning station. These comical-looking fish can grow up to 4 feet (1.2 m) long. The family parrotfish, or Scaridae, gets its name from the formation of teeth that form a beak - individual teeth are indistinguishable.
Photo credit Bryant, K.
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