Moved my Channel Catfish and the rest of the white tilapia to my jacuzzi aquaponics system to join more tilapia and some Chinese Catfish. They all seem to have their favorite hangouts in the deep and among the potted taro plants.
I'm using an old hot tub also and it's worked really well. Lots of different places for them to hide and, now, to spawn. The only problem I've had is that the bottom of the tank is "pebbled" for good footing and the food seems to collect there a bit.
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