How do discus sleep?

[gabloo]

Hi guys,


I usually stay up very late may be till 2 or 3 am. Since i have room light on, i don't think my discus are able to sleep. Also, sun rise at 6 in the morning and hit my living room right away. So

I am wondering how do discus sleep?
Does anyone have pictures or clips of them sleeping?
At what condition will they go to sleep? Does tank need to be totally dark?

[Sean Buehrle]

Yeah they sleep. nobody has any night vision video.


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[ericatdallas]

Fish don't sleep the same way we do. They're always on a somewhat alert status. When they have low activity and they just kind of 'hover' they're probably sleeping. I've seen my fish 'sleep' when the lights are on (b/c sometimes I stay up all hours of the night or forget to turn light off).

With that being said, I could be wrong about their sleep. Hard to tell, but if you watch your fish enough, you tend to notice the low activity. Plus, if I decide to feed them, they totally ignore the food (out of character for them during the day).

[Skip]

well.. they do drop when you turn the lights on in the morning..

[Hsunami]

if you have the tank light off and say you have a monitor on facing the other way you can sorta make out how they sleep its cute. Cause i usually stay up till 2AM also so i can usually see them sleep when my monitor light is on. I usually do this and stay pretty far away. They'll usually fan out to each of their own little section that they want to sleep in and tilt a 45 degree angle or so. Its really cute

[Moon]

Just like everybody eyes wide shut open. (lol)

[Apistomaster]

Like Eric said, Discus do not sleep as we know it. They remain at least alert enough to react to danger.

[jball1125]

I have noticed my discus don't sleep if there is any activity in the room. Sometimes when I get home late and turn the lights on for feeding they look like they are on auto pilot and I have to wait a couple minutes before feeding or they won't even notice the food in the tank.

[DiscusOnly]

As far as sleeping goes, here is what I've noticed.

For my domestics, I usually notice that they have very little movement and on many occasion, they may even lay on an angle.

For the Heckles, they glide. I bet that has a lot to do with being in the biotype they are at and being still is probably going to turn them into other fish meal.

[gerrard00]

Shortly after I first got my tank, I happened to come home around 5 in the morning and I decided to take a quick peek in the tank. The lights were off on the tank and I was really intrigued to see my guys all floating in slumber. Then, I noticed that one of the fish was laying sideways against a plant. I was convinced that I had somehow killed it. I kneeled down and got my face close to the tank to get a better look...

...and you can guess what happened. The fish freaked out and swam all over the tank in a panic! I guess he had been "asleep" and I had rudely awakened him.