wolf fish are highly predatory and anything sick or injured will quickly be despatched (regardless of size).
he will be come a threat to the clown loaches and juwel cichlids that currently share the tank, however I have plans to move them way before that happens. all the other tankmates should be fine (bichirs, reedfish, fire eel, apollo sharks, Dorminator maculatus
& eel catfish), provided they stay fit and healthy.
I will say this is not a fish for the inexperienced and a bite from one may need several stitches, so care should be taken when doing anything in a tank that houses one.
the diet is a meat based one, so plenty of prawn, muscle, lancefish etc is essential.