Yes, CRAMPFISH is a Scrabble word!

Letter values in Scrabble US: C 3, R 1, A 1, M 3, P 3, F 4, I 1, S 1, H 4.

Is it a valid word?

CRAMPFISH is a valid word in the official Scrabble dictionary (US) and the UK Scrabble Dictionary, but not in Words with Friends (ENABLE).

any sluggish bottom-dwelling ray of the order Torpediniformes having a rounded body and electric organs on each side of the head capable of emitting strong electric discharges

Also: electric ray.