Well, as of Wednesday, I now have three residents in my 70 gallon tank: A red-tailed black shark, clown loach, and a yellow lab... I've had them all for around a year or so now, they've been doing great. Wednesday, my Raphael cat passed on (poor guy been there since the start), and I've been thinking about getting a new fish or two in the tank. Just wondering how much space I have in the tank, I'm not to good at figuring that out.