Hi all, I have a 200 litre tank with a small community of x4guppies, x2 mollies, x7 neon tetra & x4 corys. I also have 1 yoyo loach. Aprox 4inches long. I have had it for a few weeks now & its my fave fish. The fish shop i got it from said it would be ok in my tank & ok kept alone. I have since read...