Yes, ANGELFISH is a Scrabble word!

Letter values in Scrabble US: A 1, N 1, G 2, E 1, L 1, F 4, I 1, S 1, H 4.

Is it a valid word?

ANGELFISH is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

a butterfly fish of the genus Pomacanthus
deep-bodied disk-shaped food fish of warmer western Atlantic coastal waters
sharks with broad flat bodies and winglike pectoral fins but that swim the way sharks do

Also: chaetodipterus faber, angel shark, squatina squatina.