Yes, I know why some people choose to only keep one dragon fish in an aquarium. The main reason is that these fish are very large and require a lot of space to thrive. They can grow up to 10 feet in length and weigh over 400 pounds . Keeping multiple arapaima in the same tank would be challenging, as they need ample room to swim and could potentially compete for resources.,Additionally, arapaima are native to South America and prefer warm, tropical waters. They also have specific dietary requirements, such as a high-protein diet, which can be difficult to maintain in a home aquarium. Therefore, many hobbyists opt to keep just one arapaima in a large, specialized tank that can accommodate its size and needs.,In summary, the primary reason for keeping only one arapaima is due to their size, habitat requirements, and dietary needs, which make it challenging to keep multiple specimens in the same aquarium.

Yes, I know why some people choose to only keep one dragon fish (also known as arapaima or pirarucu) in an aquarium. The main reason is that these fish are very large and require a lot of space to thrive. They can grow up to 10 feet (3 meters) in length and weigh over 400 pounds (180 kilograms). Keeping multiple arapaima in the same tank would be challenging, as they need ample room to swim and could potentially compete for resources.

Additionally, arapaima are native to South America and prefer warm, tropical waters. They also have specific dietary requirements, such as a high-protein diet, which can be difficult to maintain in a home aquarium. Therefore, many hobbyists opt to keep just one arapaima in a large, specialized tank that can accommodate its size and needs.

In summary, the primary reason for keeping only one arapaima is due to their size, habitat requirements, and dietary needs, which make it challenging to keep multiple specimens in the same aquarium.