i was surfing the net looking for oddities and found this, it's hillarious and great for the environment as water usage will be less over all. here is the link
http://www.fishnflush.com/about.html

a bit pricey but i think it's an awesome idea i may see if i can create one with an industrial look to put a betta or a couple crayfish in.

Haha I've seen that before. Pretty cool would probably be pretty easy to build one out of plexi glass and an old toilet.
Sounds like a fun project!

lol it also might end up pissing you off

i've seen those a couple of years back... sad really...