Noun onchorynchus nerka has 1 sense
  1. sockeye, sockeye salmon, red salmon, blueback salmon, Onchorynchus nerka - small salmon with red flesh; found in rivers and tributaries of the northern Pacific and valued as food; adults die after spawning
    --1 is a kind of salmon
    --1 is a member of Onchorynchus, genus Onchorynchus
    --1 has parts: red salmon, sockeye, sockeye salmon
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