John Chan / Crenulated fiddler crab (Uca crenulata) waving its major claw at another crab, part of a courtship display, Southern California, USA, June.
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John Chan / Crenulated fiddler crab (Uca crenulata) feeding on detritus, Southern California, USA, June.
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John Shaw / Sally lightfoot crabs (Grapsus grapsus) on the beach at Puerto Egas, Santiago Island, Galapagos, May.
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Luciano Candisani / Ghost Crab (Ocypode quadrata) on beach, Urucuca, Bahia, Brazil
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Luciano Candisani / Ghost Crab (Ocypode quadrata) on beach, Urucuca, Bahia, Brazil
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Konrad Wothe / Fiddler Crab (Uca maracoani) waving, Caroni Swamps, Trinidad, West Indies
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Andy Rouse / Galapagos Ghost Crab, (Ocypode gaudichaudii), emerging from burrow with volcano in background Galapagos
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David Pattyn / Ghost Crab (Ocypode sp) on the beach feeding on a dead fish, Puerto Lopez , Santa Elena Peninsula, Manabi Province, Ecuador, July
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Remi Masson / Crab (Uca sp) with large pincer, in mud. Kyushu Island, Japan. August.
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Piotr Naskrecki / Ghost Crab (Ocypode sp), Vamizi Island, Mozambiqiue
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Claudio Contreras / Princely Fiddler Crab (Uca princeps), Bahia Magdalena, Baja California Peninsula, Mexico, June
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Claudio Contreras / Princely fiddler crab (Uca princeps), Bahia Magdalena, Baja California Peninsula, Mexico, June
