How we find crayfish in Crater Lake

Crayfish trap

Crayfish traps loaded with bait.


Two methods are used to find and count crayfish in Crater Lake,

  • Snorkel-divers swim the shoreline turning over rocks and counting crayfish,
  • Crayfish traps are set from the surface down to 300 meters deep.
Searching for crayfish in rocky areas of Crater Lake.
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Crayfish walking near trap in Crater Lake
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Crayfish in rock crevice in Crater Lake
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