How to Determine Gender Question: How do you tell the gender of a Betta? Answer: Male Bettas are the more colorful of the sexes, and have the long flowing fins everyone identifies with Bettas. Females have short fins, and are their colors are more drab, although some are quite colorful. The fish that you see for sale in most shops are all males. They are kept in individual containers, because males will fight with each other. Females can be kept together, however they are not commonly seen for sale in the industry. |