Well, a friend of mine had 3 in a 1.5 and they did just fine for years.
I was thinking of trying to get some sort of smooth, small gravel, or coarse sand. Everywhere I've read says nothing about the loaches not being able to be on gravel - as long as they have a hole to hide in.
Another thing...
Hi all,
I just got a 5-gallon hexagon tank for my bday and I can't decide what to put in it! It has a built-it filter on the top.
I already have a 5-gallon rectangle tank with a few guppies, a dwarf platy and 2 cory cats. As it is now, it looks like they have plenty of room and are very active...