Males tend to be more brightly colored than girls, although the latter is necessary to ensure peace and harmony in the team of danios. I would say this type of Betta is somewhat more challenging to help keep due to fragile crownlike fin texture. Hippo tangs are certainly prone to https://www.edocr.com/v/kxdwzyek/aquariumshops/4-tips-for-buying-a-fish-tank