Wednesday, February 20, 2013

Ocean triggerfish

On our dive today, we had the fortune of encountering an ocean triggerfish.  I always enjoy seeing them.  They move gracefully through the water, by flapping the big fins on their back and belly. Most triggerfish are rather shy, and don't hang around divers.  Today's fish was pretty calm.  The front dorsal fin is the trigger, which triggerfish can lock in place.  The trigger, which is up in the first photo, aids the fish when it is turning. This fish was about 18 inches long, and we met it in about 20 feet of water. 


Triggerfish can quickly lighten or darken, as you might guess from its different shades below.




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