http://washingtondc.craigslist.org/nva/zip/2681348689.html
60 Gallon (approx.) Acrylic Aquarium with Stand and Light Hood (Sterling, VA)
Date: 2011-11-02, 11:42AM EDT
Reply to: sale-prrc4-2681348689@craigslist.org [Errors when replying to ads?]
All acrylic aquarium, stand and cover. Has...
I am wondering because I have my lights on until late at night (past 10 on most nights). My fish can't be getting enough sleep, at least not as much as they would in nature. What would be the impact on the fish? Do I need to do something about it?