Bristletail filefish

[chriscurtis]

My bristletail does a good job keeping the aiptasia population in check. Unfortunately he also picks on a lot of other things, sometimes unwantedly so, like my sea-urchin. Here's a shot of him(?) grabbing a bristle worm although the lurking hawkfish snatched it from him a second later.  I was trying to get a shot of the blue bristle worm as I'd never seen one that color before. Anyone else have experience with these guys?
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[CowtownReefing]

I havent, I have a peppermint shrimp that amazingly loves aptasia and kept them in check. Great photo though.