Yes, SOCKEYES is a Scrabble word!

Letter values in Scrabble US: S 1, O 1, C 3, K 5, E 1, Y 4, E 1, S 1.

Is it a valid word?

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

fatty red flesh of salmon of Pacific coast and rivers
small salmon with red flesh; found in rivers and tributaries of the northern Pacific and valued as food; adults die after spawning

Also: red salmon, sockeye salmon, blueback salmon, oncorhynchus nerka.