of arowana sleeping? When arowana sleep, their eyes are open, because they do not have eyelids, so they do not have the obvious characteristics of sleeping. When the arowana is sleeping, it will first choose a quiet and dark environment, then slowly stop, reduce the amount of activity, and the activity will slowly decrease, but it will not remain motionless. When the arowana is asleep, the fins will swing slightly for the balance of the body, and the gills on both sides will open and close for breathing. When arowana sleep, their metabolism slows down, which is also a state they use to relieve fatigue. Usually know more, it is not difficult to find out whether the arowana is sleeping and the characteristics of their sleep, and some arowana will sleep at a fixed time, breeders can carefully observe.
the arowana to sleep is not fixed, and how long it sleeps every day is not fixed. Because as long as the surroundings are quiet and dark, they are likely to fall asleep. But they also move slowly when they go to sleep, and they sleep more times a day, so it's hard to judge how many hours they sleep a day. But what is certain is that they sleep longer and more soundly at night.