I have not post on here in a while my 13" hoplias aimara I got from Richard at infinite jump out the tank this morning he had to be out for at least 30 min when I found him my heart drop I rush him in the tank an put a half of bottle of stress coat in with him 1 hour latter now he's coming around very strong fish an still attacking the glass after this, I have thick foam an a 2*4 on it but I got to go with more weight on top, ill up date latter