• Wizard Island

    Crater Lake

    National Park Oregon

How we find crayfish in Crater Lake

Crayfish trap

Crayfish traps loaded with bait.

NPS

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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