The betta is a popular freshwater tropical aquarium fish due to their variety of sizes, fin patterns and brilliant colors. It is hardy species which requires simple care and it makes them a favorite among hobbyists. It is labyrinth fish that has the unique ability to breathe oxygen directly from the air and also take oxygen from its gills. It can tolerate small spaces and poor water quality with regular water changes. It prefers water temperature which ranges between 76 and 820 F. The betta is not schooling fish and it fights with each other. It prefers to swim alone and also needs a comfortable place to hide.
Physical description of male and female betta fish: