Yes, COPEPODS is a Scrabble word!

Letter values in Scrabble US: C 3, O 1, P 3, E 1, P 3, O 1, D 2, S 1.

Is it a valid word?

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

minute marine or freshwater crustaceans usually having six pairs of limbs on the thorax; some abundant in plankton and others parasitic on fish

Also: copepod crustacean.