Don't even think about breeding them until you have researched it a lot, its not something you should take to lightly, you will get a lot of fry and they take time and money to look after. They are great pets though, there is a lot of info on here already. But I would suggest a 2.5g to 5g tank for one male on his own with lots of plants and hiding places. You will need a heater and ideally a filter as well.