ultimate question

[scubasteve06]

I've noticed about 2 hours after all lights go out that they hover over the bottom and sort of glide around the tank breathing deep and heavy, and snoring...lol

 

[BIGgourami]

they don't. didn't you know that?

yeah fish sleep turned out to be a myth.. it seems that those old wives-tales from the LFS were right...

 

[tyl089]

always thought fish do rest, but not fully like mammals; would like to see your source about fish not sleeping at all.