I've had one in my 30 for a long time. He's with a dojo loach, chocolate beta, 5 platy's and 1 molly and he's pretty freaking cool! First of all, they require highly oxygenated water, a cool water temperature, and a strong current to simulate a river. I just placed a really big bubbler in my tank and for about the first week he wouldn't leave it's pressure. After that he would roam around basically everywhere. They really prefer a sandy bottom so they can bury themselves but my rocky bottom he doesn't seem to have a problem with. He eats algae off the glass and can be supplemented with algae wafers. After a bit of feeding him algae wafers, he learned to smell and fly to the wafer and watching him eat the wafer is super cool. I also like the way you can see their heart beat (I'm fairly certain) when they are up against the glass. Their underside is see thru.
Only problem with this guy is that when feeding he would fight off the other loach and pretty violently too.
Other than that great fish, grab one!
