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Noun: jackknife-fish  'jak,nIf fish
  1. Black-and-white drumfish with an erect elongated dorsal fin
    "The jackknife-fish's unique dorsal fin makes it stand out among other drumfish";
    - Equetus lanceolatus

Derived forms: jackknife-fishes

Type of: drum, drumfish

Part of: Equetus, genus Equetus

Encyclopedia: Jackknife-fish