My Tetra does not like the Rams at all! The Tetra swims over one half of the tank where my Pleco cave is and keeps chasing away the Rams. The Rams, being curious fish, see that cave and just have to know what is in it. They pair up and try sneaking around the plants to get to the cave. The one time they did make it and I was watching, the Rams woke up the Pleco, whoops.
I doubt the Tetra will be able to beat up the Rams like he with with my other Tetras. The Rams are too smart, and will soon be larger as well with much more room to run if needed.
I hate to say it, but I really dislike this Tetra. I can not trade it in or give it to anybody else because it is my wife's favorite fish, she named it Speedy Gonzalez 8O