Good to know. I caught some video of the big one coming out when I fed some earthworm. How big do they get? I caught a big one at the creek but it was covered in white nodules so I released it, fearing disease. They seem like a fish with a slow metabolism and low bioload; did you find that to be the...

Thanks for the info guys. I sure hope they're N. insignis. I'll try to grab some pics later but these guys are extremely nocturnal. I haven't seen any daytime activity the past 4 days but I suppose that's how most catfish in the hobby started out.

Just collected these from a creek in Eastern PA for a coolwater grow out tank. Are they Stonecats? In that case I suspect my platies aren't long for this world