im sure there is easily $400 in the tank...equipment alone is probably gont to cost that much...throw in live rock and fish and you are going to spend close to a grand
oh: and the average pretty, colorful saltwater fish is more like $40 or $50, not $3, $5, or $10...$100 for a clown seems steep, maybe for a pair I might consider going that high depending on how rare the fish is