Synonyms for Sockeye (same or very similar meaning)
WordNet sense 1 (fatty red flesh of salmon of Pacific coast and rivers):
red salmon, sockeye salmon
WordNet sense 2 (small salmon with red flesh; found in rivers and tributaries of the northern Pacific and valued as food; adults die after spawning):
blueback salmon, Oncorhynchus nerka
From the ODE community, based on WordNet
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