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  • Operculum – a covering flap that acts as a trap door, able to seal the whelk inside its shell when it is retracted.
  • Proboscis – an organ that whelks use to feed with.

Fun Facts

  • The Knobbed Whelk is the largest snail in Long Island Sound.
  • Now that the number of lobsters have been decreasing in the Long Island Sound, many lobstermen in CT have switched to fishing for whelks.

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