Can betta fish live with other fish? 💙 Yes — with the right setup and the right tank mates. Bettas do best in calm, well-planted aquariums with plenty of hiding spots and gentle companions. Peaceful fish like corydoras, ember tetras, rasboras, and snails usually make great neighbors because they stay out of a betta’s way and don’t nip fins. Avoid aggressive or flashy fish, and never house two bettas together. Adding the betta last helps reduce territorial behavior, and close observation is key