In addition, betta fish are native to Southeast Asia, while barramundi are native to Australia and Southeast Asia. They have different environmental requirements, and they would not thrive in the same tank. Betta fish prefer warm, acidic water, while barramundi prefer slightly alkaline water. Betta fish also prefer densely planted tanks, while barramundi prefer open water with few obstructions.
Overall, betta fish and barramundi should not be kept together in the same tank. They have different environmental requirements, and barramundi pose a significant predation risk to betta fish.