What kind of loach ? I've had Botia Striata (Zebra) in a community tank for years. I think I have
at least 4.Started with 6 a few years ago and I know a couple have died. They get along with Rams (bolivian,GBR)molly,dwarf frogs,pleco,bamboo shrimp,otto's,tetra, I haven't had a problem,other then then eating ram eggs. Didn't get the pleco eggs.They live in a castle and cruise the tank. Water 80(seems to keep everyone happy)