WTF?

(James creates the shape of a fish in rice on a tray by the power of shaking and proudly shows it to us...)

Richard: Very good, James. 2 points to Gryffindor.
Blaise: WHAT???!!! He's not in Gryffindor.
James: Well, which one am I then?
Blaise: Well, blatantly, you're in Hufflepuff.