two daysa ago i added a 2.5-3" baby silver arow to my 34g tank with 2 CLs 4" & 1.5" and 6" fire eel, it was a littel beat up from the other arows at the store up seemed pretty active and was eating smelt yesterday, but when i turned on the tank light today it was on the bottom with its backend chewed up(tail fin and scales/skin missing) i think it was big CL, i put it in a net breeder for now(the CL is getting moved infew days to a 75g)but its just resting on the bottom and isent intersested in food, i added about 6 tablespoons of salt to the tank and the temp is 81-82 i was going to get some malafix but is it safe for the CL and fire eel ive never used it before? is there anything eles i can do?