surgeonfish
Concise Oxford English Dictionary © 2008 Oxford University Press:
surgeonfish/ˈsəːʤ(ə)nfɪʃ/
▶noun (pl. same or surgeonfishes) a tropical marine fish with a scalpel-like spine on each side of the tail. [Family Acanthuridae : many species.]
'surgeonfish' also found in these Oxford entries:

