How do fish sleep????

Question

Do they float???? still swim??? or lay down???

Answer 1

On a water bed.

Answer 2

Basically, all living needs to rest and sleep. Fish also do, but with eyes opened due to no eyelid and for short hours only. They can sleep anywhere they like, as long as they feel comfortable. It can be on top near the surface, side of the tank or water plants, or the bottom of the waterbed. So whenever they are resting motionless or not moving at all, it means they are sleeping so do not try to stress them by on the light too suddenly, hitting the tank or make loud noise to stun them.

Answer 3

We don't know if any fish sleeps in the sense that we sleep, i.e. sleep measured by an abrupt change in brain waves.

It has been discovered that some species of sharks, like nurse sharks,
have openings behind their eyes--these are called
spiracles--that force water through their gills, allowing them
to stay still and hang out in one place, such as a cave. rom
experiments carried out on a small shark
called the Spiny Dogfish (Squalus acanthias), we know that the
'Central Pattern Generator' that co-ordinates swimming movements
in sharks is not located in the brain, but in the spinal chord.
Thus, it is possible for an unconscious shark to swim. There is
even a possibility that the sharks' fore, mid-, and hind- brain
shut down in sequence, resulting in the shark equivalent of
sleep-walking.

Answer 4

Fish do sleep. Just differently then we do. I have an 80 gallon salt water tank and my Valantini Puffer will wedge itself between rocks and go to sleep for the night. The first time that I saw my Clown fish sleep I panicked because I thought they were dead. They weren't they were just snoozing, while floating with their tails up toward the top of the tank.

Answer 5

Most fish, in absence of light, go to bottom of tank, stay upright, but rest on bottom, motionless. A few fish seem to stay in a swimming position, but just float in mid-water. IF there is light in the room, they do have problems...they need to rest. Good luck

Answer 6

freshwater fish dont sleep, the only fishes that sleep are saltwater parrotfish and a few sharks, but even these fishes just rest,

most freshwater aquatic fish will have big eyes to pick up any source of light, and swim just enough to pass water though their gills.

Answer 7

They don't sleep as we do, they fall into a translucent state of mind, but still keep moving, in order to breath a fish has to pass water over its gills and thus must move (there are a few exections)

Answer 8

Hard to tell with no eyelids, but I think they are sleeping when they stay in one place for a while and tread water!

Answer 9

they do not sleep. A fish can go its entire life (up to 75 years) without ever sleeping a wink. That is why they are so stupid- you cannot teach a fish to count to ten, for example

Answer 10

i think they just swim slowly while their mind rests. but i do know that when dolphins sleep they one half of their brain is awake while the other side is asleep.