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Channel: USGS Multimedia Gallery for Set: crabs
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Fiddler Crabs

Looking down from the boardwalk on the western side of Blowing Rocks Preserve, at the low tidal waters of the Indian River Lagoon heavily populated with fiddler crabs.

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Ghost Crab

Ghost crab on the beach.

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Horseshoe Crabs at Delaware Bay

Horseshoe crabs congregate annually at Delaware Bay.

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Kelp Crab

A Kelp Crab (Pugettia producta) captured in a beach seine during a 2012 Bainbridge Island larval forage fish survey.  This survey focused on the abundance, habitat use, and food habits of larval forage...

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Red Rock Crab in Puget Sound

  A Red Rock Crab (Romaleon antennarium) captured in a beach seine during a 2012 Bainbridge Island larval forage fish survey.  This survey focused on the abundance, habitat use, and food habits of...

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Graceful Crab in Puget Sound

  A Graceful Crab (Metacarcinus gracilis) captured in a beach seine during a 2012 Bainbridge Island larval forage fish survey.  This survey focused on the abundance, habitat use, and food habits of...

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Helmet Crab in Puget Sound

A Helment Crab (Telmessus_cheiragonus) captured in a beach seine during a 2012 Bainbridge Island larval forage fish survey.  This survey focused on the abundance, habitat use, and food habits of larval...

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European Green Crab

The European green crab (Carcinus maenas), has invaded fisheries in Northern California and in British Columbia, where it may compete with the much more valuable Dungeness crab. The CD it holds in its...

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Deep Sea Crab on Mussels a Mile Below Atlantic Ocean

A lithodid crab seen on a bed of deep sea mussels living near a gas seep 1,600 meters below the surface of the Atlantic Ocean. Images courtesy Deepwater Canyons 2013 - Pathways to the Abyss expedition,...

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Green Crab - Maquoit Bay

Maquoit Bay is a shallow estuary that forms the northwestern arm of Casco Bay, ME. In 2001, the ME Department of Marine Resources eelgrass maps showed 570 ha of eelgrass in the bay. In 2012-2013,...

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Rough box crab (Calappa gallus)

Calappa gallus, dorsal view.

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Crab shell and seaweeds

A crab shell is left on top of seaweed and other marine detritus washed up by waves on a beach.

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Blue Crab (Callinectes sapidus)

Blue Crab on shoreline.

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Blue Crab (Callinectes sapidus)

Blue Crab on shoreline.

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Sally lightfoot crab (Grapsus grapsus)

Grapus grapsus, dorsal view.

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Gecarcinus Cuadratus

Gecarcinus cuadratus, ventral view.

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Gecarcinus Cuadratus

Gecarcinus cuadratus, frontal view.

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Gecarcinus Cuadratus

Gecarcinus cuadratus, dorsal view.

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Eurytium Tristani

Eurytium tristani, ventral view.

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Eurytium Tristani

Eurytium tristani, frontal view.

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Cardisoma Crassum

Cardisoma crassum, ventral view.

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Cardisoma Crassum

Cardisoma crassum, frontal view.

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Cardisoma Crassum

Cardisoma crassum, reproductive organ.

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Callicnectes Toxotes

Callicnetes toxotes, ventral view.

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Horseshoe crab (Limulus polyphemus)

A complete shell of a horseshoe crab lies in the tidal line on a beach among dried seaweeds.

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Ghost crab (Ocypode sp.)

The ghost crab shown here is a common resident of sandy beaches along the Florida coast.

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Sally lightfoot crab (Grapsus grapsus)

Two specimens of Grapus grapsus, dosal view and ventral view.

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Sally lightfoot crab (Grapsus grapsus)

Grapus grapsus, frontal view.

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