Say blue fish cannot be mixed with arowana. Say blue fish is a landscaping fish, but it has a strong sense of territory. If Say blue fish and arowana are kept together, they will fight with each other.
They are both tropical fish, but there are some differences in water size, water quality, food and environment, etc. There are differences in every aspect. Due to the large size of the arowana, it is recommended that breeders keep the arowana alone. This will also ensure that the arowana has enough space to move around, and will prevent the arowana from attacking other fish.
