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#96035 - Wed Mar 15 2000 06:28 AM Cool Fact: Fish That Sleep
JoJo2 Offline
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Registered: Fri Nov 19 1999
Posts: 17656
Loc: San Diego California USA 
SLEEP WITH THE FISHES

Most fish don't actually sleep. They go through a period of decreased activity that allows their body to regenerate, but they don't sleep.

On the other hand, many coral reef fish do sleep. The interesting part is that they sleep by standing on their tails or leaning on a rock. Isn't that cool?


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#96036 - Wed Mar 15 2000 10:32 AM Re: Cool Fact: Fish That Sleep
Linda1 Offline
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Registered: Thu Sep 30 1999
Posts: 11250
Loc: Munchkinland
Maybe I'll be able to get an answer to this, then!!!!!!!!

My coworker's fish floats upside down all the time. When it first started doing it, they thought it was dead, but then it swam off after a bit. Seems it's a habit, now. She says that visitors always tell her that it's dead, so she has to go over and tap on the bowl to prove it's not. Problem is, it's now so used to her tapping that it doesn't always swim off or react immediately.

Why is this?!!! Any ideas? She's really puzzled about it, and I'd love to give her an answer. I think it's a goldfish, but I'm not positive.

Is it just "sleeping" (or having this decreased activity that you're talking about) maybe? Have you ever seen or heard of such a thing happening in a little fishy?

[This message has been edited by Linda1 (edited 03-15-2000).]

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#96037 - Wed Mar 15 2000 10:36 AM Re: Cool Fact: Fish That Sleep
JoJo2 Offline
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Registered: Fri Nov 19 1999
Posts: 17656
Loc: San Diego California USA 
I will see what I can find for you Linda.

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#96038 - Thu Mar 16 2000 12:22 AM Re: Cool Fact: Fish That Sleep
sandalwood Offline
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Registered: Sun Oct 17 1999
Posts: 5643
Loc: Camarillo California USA
Yes, this is really cool to know!

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Sandalwood's Cosmic Creations: Working with the magic of love....

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#96039 - Fri Mar 17 2000 02:03 PM Re: Cool Fact: Fish That Sleep
Sagebrush Offline
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Registered: Tue Jan 04 2000
Posts: 2339
Loc: Wichita
  Kansas USA
Linda, there are a breed of tropical that swim upside down.
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#96040 - Fri Mar 17 2000 02:21 PM Re: Cool Fact: Fish That Sleep
Linda1 Offline
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Registered: Thu Sep 30 1999
Posts: 11250
Loc: Munchkinland
I'll go ask her in a second what kind it is.

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#96041 - Fri Mar 17 2000 02:24 PM Re: Cool Fact: Fish That Sleep
Linda1 Offline
Star Poster

Registered: Thu Sep 30 1999
Posts: 11250
Loc: Munchkinland
Ok, she says it's a "run of the mill" goldfish. Nothing really special - just an ordinary goldfish.

Says he's not swimming. He's actually just (and I'll quote her) "hanging out upside down, going 'glup glup'" (she said this last part with her eyes rolled up and her mouth in an "O"). (I work with, ummmmm, interesting people!)

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