These catfish were raised from fingerlings and are now more than four years old. We chose them because we wanted a species that could live in very low dissolved-oxygen conditions in a manually operated aquaponics system. These fish have proven capable of living here in our IBC tank without aeration (no airpump w/ diffuser) and have successfully provided a nutrient source for several aquaponics configurations including media bed and NFT.

We learned the hard way that overfeeding promotes disease. Our protocol now is to feed twice per day, only as much as they will eat in 5 minutes so that no uneaten food accumulates on the bottom of the tank. 

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