WordNet (r) 3.0 (2006):

sockeye salmon
    n 1: fatty red flesh of salmon of Pacific coast and rivers [syn:
         red salmon, sockeye, sockeye salmon]
    2: small salmon with red flesh; found in rivers and tributaries
       of the northern Pacific and valued as food; adults die after
       spawning [syn: sockeye, sockeye salmon, red salmon,
       blueback salmon, Oncorhynchus nerka]