Chevroned Butterflyfish at Christmas Island and Flinders Reef, Moreton Bay, Queensland, 22 April 2010 .
The fish at the start of the clip was filmed during the day. The fish in the latter half of the clip has assumed its nighttime colouration.
Last Updated: 7 August 2010
A Chevroned Butterflyfish at Northern Small Detached Reef View full size
© Erik Schlögl
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