Im currently setting up a 16 gallon nano reef and i use www.fishforums.com for most of my questions. It's great it has lots of expierienced reefers

monsterfishkeepers.com

i love my oscars, the have all types of different fish there

try this
http://www.drsf…

or liveaquaria.com they sell good stuff in both. they tell info on the fish and what it requires. you can also buy them on these websites.

reefbuilders.com is the one i use for sw.

http://www.fish…
good ones :]

There are a lot more than one that deserve a visit:

http://saltaqua…
http://reefaqua…
http://www.reef…
http://www.reef…

And don't buy a fish without looking here first:
http://www.aqua…

http://wetwebme…

i know everyone says wet web media but its a useless site to me try www.reefcentral.com u can learn alot from the forums or just chat with people and get ure answers from them very helpfull site to me

www.reefcentral.com

contains an endless amount of information and pictures for inspiration and ideas.