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Acanthuridae
The distinctive characteristic of the family is the scalpel-like spines, one or more on either side of the tail ("thorn tails"), which are dangerously sharp. The dorsal, anal, and caudal fins are large, extending for most of the length of the body. The small mouths have a single row of teeth used for grazing on algae.(wikipedia)
Coral reefs in Pacific Ocean
Took picture off reef in Maui
Spotted on Mar 5, 2011
Submitted on Mar 8, 2014
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