They live to essential in fresh water, in somes case it can to live in brackis water (between 10 - 14% salt) and live in vitriol water (pH >=4). When pH is lowed to undered 4, the fish don't eat and tress.
They live to essential in fresh water, in somes case it can to live in brackis water (between 10 - 14% salt) and live in vitriol water (pH >=4). When pH is lowed to undered 4, the fish don't eat and tress.