[thekoimaiden]

If you want ranchu for an indoor pond it sounds like you want to look at top view ranchu from breeders. If you are looking for quality goldfish, I would bypass the pet stores all together. There are two variations of ranchu, and the top view is more pleasing to look at from above. Their bodies are longer and their wens give their heads a more square shape.

This article might shed a little more light on your question of ranchu vs lionhead. What's the difference between a Ranchu and a Lionhead? - Practical Fishkeeping
http://www.practicalfishkeeping.co.uk/content.php?sid=46