Well black drum can live in both saltwater and freshwater. I catch drum all the time in SALTWATER fishing, but when I got home I put it in my freshwater pond and it survived. I have tried this a...
It depends on the source. If it is swampy and unclear, probably not potable (drinkable). If it is in a clear area without any marine life, go for it, but only if you boil it or add iodine, or any...