surgeonfish
English
'Acanthurus xanthopterus, a surgeonfish with the mark on the caudal peduncle showing the location of the sharp spine alongside the tail.
The exposed spine of the surgeonfish species Acanthurus xanthopterus
Noun
surgeonfish (plural surgeonfishes or surgeonfish)
- Any of many species of reef-dwelling fishes, most of them brightly coloured, of the family Acanthuridae. They are named "surgeonfish" because they bear erectile, scalpel-like, dangerously sharp spines on either side of the caudal peduncle.
Translations
any of many brightly coloured fishes, of the family Acanthuridae
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References
surgeonfish on Wikipedia.Wikipedia 
Acanthuridae on Wikispecies.Wikispecies 
Acanthuridae on Wikimedia Commons.Wikimedia Commons
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