It's a 6'x2.5'x18" 170 gallon I have around 150lbs of live rock I have 2 clownfish, 1 yellow tang, blonde naso tang, 1 cardinal fish, 1 fire fish, and 4 blue/green chromis. I had the Achilles for around 2.5-3 mounths and the hippo for around 3 weeks. The Achilles was around 4.5" and the hippo...