http://www.tropicalfishtanksonline.c...h_castle_2.jpg

Which fish is this?

Looks a type of Gourami to me, but not exactly sure of the exact kind.

It's a Blue Gourami, very pretty fish, they use the whiskers under their bodies to feel around the tank, very cool to watch. We had one named Gus :D

My favourite variety is the Blue Coral Dwarf Gourami.

http://www.aquariumdomain.com/images...rfGourami1.jpg