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[Nephrurus]

I've seen a tank where young archers were kept with some Magnificent tree frogs. The filter had to be very efficient as the frogs produce an enormous amount of waste and like to poo in the water. Eventually the archers all died when the filter broke down for a couple of days and too much waste entered the system.
I'd get some very hardy fish like some of the native rainbows and blue eyes or gudgeons. They are also much less aggressive than archers

-Henry