Is it ok to keep catfish(small varieties) in an acrylic tank? I have had to move them into an acrylic tank as they were being stressed out by my tiger barbs and firemouth :grumpy: . I am planning to get a larger tank as this tank is too small for them when they are full grown. I would prefer another acrylic tank but somewhere in the back of my mind I heard that acrylic was'nt such a good idea for catfish. Has anyone else heard this?