hellgrammiate

/hɛlˈɡræmiˌeɪt/
noun
  1. The aquatic larva of a dobsonfly, often used as fishing bait.
    • Hellgrammiates live under rocks in fast-moving streams.
    • Many fishermen consider hellgrammiates the best bait for bass.
    • The angler carefully hooked a hellgrammiate onto his line.
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