What do I do with a 240 gallon saltwater aquarium? [more inside]
posted by yehaskel on Nov 18, 2007 - 13 answers

I knew that there were beautiful fish, but I was blown away the other day when I came across an aquarium in a restaurant which boasted the most amazing, glittery, neon, tropical fish. I can't believe how cool real-life Nemos are! (Clownfish.) What are the names of other, mesmerising tropical fish? [more inside]
posted by mjao on Nov 5, 2006 - 15 answers

My aquarium filter, an aqua clear 500, makes a lot of humming noise. Do you know of a very quiet filter (maybe one of those external ones?), or do you have suggestions for making it less noisy?
posted by about_time on May 27, 2005 - 8 answers

Should I turn off the light in my aquarium overnight so my fish can "sleep"? Or is that just stupid? [more inside]
posted by crawl on Jan 27, 2004 - 14 answers