This is my 55 gallon tank with 7 fishies! (3 new goldfishes recently added). Installed a plain blue background, added Dracaena Bamboo to reduce nitrates, one DIY/FW 10 gallon sump (mostly nitrate reduction filter media), & 1 DIY Trickle Filter for additional biological filtration. Panda Moor * SQUISHEE Panda Oranda * SHARKEY Calico Oranda * CHARLIE Calico Ryukin * MIKA Blue Oranda * MUMBLET Lionhead Oranda * GOOBER Black Moor * PERCIVAL