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A close-up of the rostrum, enlarged from above. A small tunicate is growing on the base. Photo by Dave Cowles, July 1999 We capture this crab mainly during deep benthic trawls in the San Juan channel
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This closeup shows the rostrum, the spines on the anterolateral margins of the carapace, the chelipeds, and the eye pattern.
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This individual, carapace length 4.8 cm, was captured in the San Juan Channel July 2005 at 100-150 m depth. Photo by Dave Cowles, July 2005
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The undersde of a female. Photo by Dave Cowles, July 2008
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Note large spine behind the eye on this close-up. Another view of Oregonia gracilis rostrum. Note the postorbital spines. Photo by Dave Cowles, July 2000
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Hyas lyratus from 90 m depth, San Juan Channel (Photo by: Dave Cowles July 1999)
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This Oregonia gracilis is festooned with hydroids and (tunicates?). From 100 m depth, San Juan Channel. Photo by Dave Cowles, July 2001
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Here is the underside of another individual. Note the long, thin legs and chelipeds, and the long hydroid attached to the rostrum. Photo by Dave Cowles, July 2005
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Oregonia gracilis, Two Harbors, CA. Carapace 3 cm long. (Photo by: Dave Cowles May 1997)
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