The reason why arowana and lucky fish can't be raised together: lucky fish will attack arowana and hurt arowana.

Ecological habits of lucky fish: lucky fish likes light and aquatic plants, adapts to large space, is in the upper and middle layers, has good physique and fast growth, the male fish is bright yellow, the dorsal fin and anal fin are long, and the female fish is slightly pale, and uses marble boards or smooth rocks as nests to find their own mates.

Ecological habits of arowana: Adult arowana has a body length of 40-50 cm and a life span of several decades. Its temperament is stronger than that of arowana, and it mainly preys on live fish and shrimp, aquatic insects and even frogs, centipedes and cockroaches.