Ciranolid hunting is sort of "hit and miss". One night I'll get a few, the next I'll get none. I'm no longer concerned about the population getting out of control anyway.
Here's last night's capture. This is the largest one I've seen so far. This was the only one caught last night, but I'm glad to have him out of there!

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400 gal reef. Established April, 2007. 3 Sequence Dart, RM12-4 skimmer, 2 x OM4Ways, Yellow Tang, Maroon Clown (pair), Blonde Naso Tang, Vlamingi Tang, Foxface Rabbit, Unicorn Tang, 2 Pakistani Butterflies and a few coral gobies
My Tank:
http://www.canreef.com/vbulletin/showthread.php?t=28436