Answer:
It needs to have clean water and to be fed. The way to keep the water fit for a fish to live in follows. The basic rules for keeping any fish successfully are as follows. 1 inch of fish must have at least 1 gallon of water. Every tank must have a permanently running 'cycled' filter. Every tank must have at least 50% of its water replaced every week. If you follow the above the fish stand a chance. If you don't, then I can guarantee that the fish will not last long.