Crabs everywhere! A mystery caught on camera (3:01 min)

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Crabs everywhere! A mystery caught on camera (3:01 min)
Item details
iBase ID
5798
Reference ID
PRJ-201 Crab Movement-Final-V03.mp4
Title
Crabs everywhere! A mystery caught on camera (3:01 min)
Date
2015-07-17 00:00:00
Creator
Ocean Networks Canada
Copyright/Credit
  • Ocean Networks Canada
Location
  • Barkley Canyon
Access Level
Public
One of Ocean Networks Canada's seafloor observatory video cameras has captured a natural phenomenon in the Northeast Pacific Ocean: Hundreds (if not thousands) of crabs crawling over the seabed amid strong currents, almost one thousand metres below the surface at Barkley Canyon.

According to ONC staff scientist and benthic ecologist Fabio De Leo, recent scientific papers published by the ONC research community (including Doya et al 2013) describe periods in Barkley Canyon when crabs are more abundant, and even dominate the rest of the fauna. But never before had we witnessed such extremely high numbers of one particular species: the grooved Tanner crab, or Chionoecetes tanneri.
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