San Francisco Bay Wildlife
Wildlife of the San Francisco Bay Area
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Crabs of San Franscisco Bay Area

Striped Shore Crab
Striped (Lined) Shore Crab - Pachygrapsus crassipes
Photo credit: Ken Schneider via Flickr
Purple Shore Crab
Purple Shore Crab - Hemigrapsus nudus
Photo credit: Dan Hershman via Flickr
Hemigrapsus oregonensis
Yellow Shore Crab - Hemigrapsus oregonensis
Photo credit: Jerry Kirkhart via Flickr
Dungeness Crab
Dungeness Crab - Metacarcinus magister
Photo credit: Dan Boone, USFWS, via Wikimedia Commons
Slender Crab
Slender (Graceful) Crab - Metacarcinus gracilis
Photo credit: Lynette Schimming via Flickr
Pacific Rock Crab
Pacific Rock Crab - Cancer antennarius
Image Source: KQED QUEST - Some rights reserved.
Red Rock Crab
Red Rock Crab - Cancer productus
Flat Porcelain
Flat Porcelain Crab - Petrolisthes cinctipes
Photo credit: NPS
Shield-backed Kelp Crab
Shield-backed Kelp Crab - Pugettia producta
Photo credit: Lynette Schimming via Flickr

The Bay area has a lot of shoreline and access to seawater. So it is possible to see several species of Crabs. They are found in both habitats - the Bay and the coast.

Bay Area Crabs

Crab Notes

  • The native Red Rock Crab preys on invasive species like the European Green Crab.

Crab Articles and Links

  • California Crabs by Ken Jones, written from a fisherman's point of view. Includes photos.  ...link 
  • Identification of Cancroid Crabs, California Dept. of Fish and Wildlife. Five common California species.  ...link 
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