Alright so i recently rescued them both the JD was living in the 55 gal that had so many hard water stains u couldnt see threw it. I got them both for free from the owner cleaned up the tank its up running and cycled with the JD in it. I have 2 questions what tank mate should i get for the jd. The next question is do you think he will live much longer hes seems to be fine right now but the previous owner said he had him in their for about 6 or 7 months without ever cleaning the tank and never fed him. Hes about 3 maybe 4 inches.