infusoria bucket

MattW

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Was just getting some copepods for the fry from my 5L infusoria bucket culture and found a couple of these guys swimming around. What are they? and are they a threat to the copepods I'm keeping in that bucket?

 
Looks like a flatworm to me. It could very well be snacking on your copepods, but if there's only one of them, or even a few, it'd be unlikely to make a dent in the copepod population
 
I saw something similar in my 60L a while back but couldn't grab a pic quickly enough. They were in the substrate at that time. The 60L is where I started the culture from, they must have hitchhiked over in the filter sponge.
 
Just caught another 2. Never done pipette fishing before but I'm enjoying it 😁

Edit - Just put a light to the bucket and got 6 more out. seems my Infusoria bucket is infested :rip:
 
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