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Re: NFC: Planaria (behavior v. predation)

I'd be willing to bet it's a combination of planaria behavior & fish 
feeding.  You're right that two days is too fast for that many to suddenly 
appear, but I've also definitely seen my fish eat them--they know every time 
the top is opened they get fed so gather at the top for a feeding 
frenzy--very few planaria survive long enough for the darters to have their 
chance but I've seen them get a few when they 'climb' branches up to where 
everyone else is.


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