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Showing results for tags 'sleep'.
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I recently set up a timer for my tank. I have it set currently for 12 hours on and 12 hours off. My fiance and I have been tweaking it a little so that it matches times when we are around and want to watch the fishy. I was curious to know what other people set their tanks light/dark cycle to? Anyone had any luck with a particular setup? I would greatly appreciate any feedback or advice to maximize both my time watching Yamato and provide him with adequate sleep time. Thanks!
My crowned pearlscale, Woland, is a bit under 2 inches/5 cm long. She swims slightly sideways because she is missing the bottom half of her right caudal fin, but seems to compensate just fine. When she pauses while swimming, sometimes her head end drifts down, but she otherwise has nothing that seems like it could be a buoyancy problem. However, she sleeps vertically upside down at night. Her lionhead companions both sleep horizontally. I wasn't very concerned about Woland's odd sleeping position until one night, when she woke up and wiggled over to the front of the tank to see me. The white part of her face was all pink, like it normally is over her left gill (it went back to normal quickly). It appears that while she sleeps, gravity causes the blood to rush to her head! Is this harmful? Is it a type of buoyancy problem? Does anyone know of other fish, especially pearlscales, who have this sleeping-upside-down quirk?