yeah no corals, just anemones, feather dusters,sponges, maybe a nice scallop, maybe clam? I don't know.gonna step it up and get a nanocube later, got the eclipse for free brand new in the box,it got the 50/50 lighting one blue one white. I have 2 very small powerheads in it though too. I'll post pics. And the chalk bass only gets 3 inches.