Ok i don't know if this is normal but say i turn off my light and come back in about 2 or 3 hours(or less), turn my light back on and my red tailed shark is almost grey and its tail is clear. Then as time goes by it gets darker. I dont know if this means if it's stressed or it's just normal. (temp is about 77-78)
mine dose this ether when the lights off or if hes stressed
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