12-02-2007, 02:08 PM
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Originally Posted by Little-Fizz
They don't fully sleep. They always need to be aware of their surrounding. Think of it as they are resting but "keeping one eye open" Once it's dark my fish are always chilling on the bottom and they will move slightly if they notice I am there but they are pretty much inactive. I think they like turn half their brains off or something... Or is that dolphins? I'm sure they are simular.
Yeah I just looked it up, dolphins and whales are the ones that turn their brains half off, because they are conscious breathers they just cannot be fully unconscious incase they didn't wake up in time to breath. Fish (depending on what kind) Just rest or remain still propped up against a rock or maybe hidden somewhere, wedged into a log ect. Not sharks though, as they need to always be moving so the water passes through their gills. Lol I'm glad you asked this question. I always knew that the whales and dolphins turned half their brains off but I never really thought as to why. And now I know.