Males are more brightly coloured than women, however the latter is required to ensure peace and stability inside your group of danios. I'd personally say this type of Betta is somewhat more challenging to keep because of the fragile crownlike fin texture. Your browser isn’t supported any more. Update it https://sites.google.com/view/aquarium-shop-online/4-questions-to-ask-while-interviewing-a-pond-cleaner