Do fish sleep

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15 Jun 2016 22:22 #1 by robert (robert carter)
Just wondering about this , even when i check myweb cam after lights out the fish are active , so how do they rest , or do they need to rest?

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16 Jun 2016 00:12 #2 by alan 64 (alan)
Replied by alan 64 (alan) on topic Do fish sleep
Discus defo sleep or go into a trance in the dark they take a while to wake up and can be very jumpy so i just put a light on in the room for a while before giving them full light

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16 Jun 2016 05:31 #3 by Sukahn (Shane Doorley)
Fish do go into a sleep mode. We'll most fish do. Some like mandarins you can see when they are sleeping they put a poison coating on themselves while they sleep.

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16 Jun 2016 10:00 #4 by paulv (paul vickers)
Replied by paulv (paul vickers) on topic Do fish sleep
I've 2 sail fin plecos that sleep standing on their heads with their noses touching the tank bottom, they can stay that way for an hour or so. In the dark my arowanna hovers in the tank seems to slow her breathing down. I guess they sleep.

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20 Jun 2016 20:52 #5 by ChelseaSplendon95 (Chelsea Ward)
I notice that my fighters are usually lethargic when I first turn the lights on, they also slow down coming into the evening.

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20 Jun 2016 22:22 #6 by Sukahn (Shane Doorley)
Guess we have answered the age old question of sleeping fishes then lol :)

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13 Jul 2016 15:44 #7 by Ahsan225 (Syed Subhan)
Cardinals definitely have a sleeping pattern. it is as if they have a switch. when the light is first turned on in the morning.. the cardinals show no red colour at all. Slowly but surely, as the fish become more active, the red color returns.

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29 Jul 2016 17:37 #8 by CG (K Lynch)
Replied by CG (K Lynch) on topic Do fish sleep
The other night, I turned on my fish tanks light during the night and my bolivian ram was in his pj's.
No, seriously, I turned on the aquarium light and my school of rummy nose tetra had lost their nose colour. Cue panic. All my water parameters were fine. Google showed that they lose their red nose colouration during the night (to be less conspicuous to predators). From what I've read, fish do rest, whether they dream or not, I don't know, lol!

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