Hello..I was just given a 55 gallon tank with a adult green terror in it..trying to decide if I should keep him or surrender him to the petstore..I like community tanks and since it's a sealed tank was thinking of maybe getting a freshwater eel since I really like those guys alot..This is not my first tank..it would be the third I currently have up..I am new to cichlids..I have a 29gal souther american cichlid tank but none are green terrors..what's the chance of being able to put anything in with this fish or will it pretty much eat anything that I put in there with him?