Thats completely up to you. My males vary completely on how they like to be housed. Some like smaller housing, such as a 2.5 gallon... and if I put them in a larger tank, they seem upset(even if I give them several weeks to get used to it). Others are perfectly fine in a larger tank.
Most, though, would be absolutely thrilled to have a 10 gallon tank.
Alot of males don't like filters that well, but in a ten gallon, a filter should be okay as long as the current isn't very strong, and as long as he has plenty of plants and decor that will soften the current.