Nick Hawkins / European green crab (Carcinus maenas), an invasive species in North America, Kejimkujik Seaside National Park, Nova Scotia, Canada. July.
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Alex Hyde / Shore Crab (Carcinus maenas) against white background. From the Isle of Skye, Inner Hebrides, Scotland, UK.
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Nick Upton / Common Shore crab (Carcinus maenas) on clump of Toothed wrack (Fucus serratus) exposed on shore at low tide, St. Bees, Cumbria, UK, July.
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Wild Wonders of Europe / Lundgren / Close-up of Common shore crab (Carcinus maenas) Lofoten, Norway, November 2008
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Nick Upton / Rock gobies (Gobius paganellus) and a juvenile Shore crab (Carcinus maenas) scavenging amongst Common Mussel shells (Mytilus edulis) in a rock pool, Gower Peninsula, Glamorgan, Wales, UK, August.
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Nick Upton / Close-up of a Shore crab (Carcinus maenas) in a rock pool, moving mouth parts, Gower Peninsula, Glamorgan, Wales, UK, August.
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Nick Upton / Common or Green shore crab (Carcinus maenas) hiding in a rock pool, The Gower Peninsula, Wales, UK, August.
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Nick Upton / Common shore crab (Carcinus maenas) hiding among Coralweed (Corallina officinalis) in a rock pool, Cornwall, UK, March.
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Nick Upton / Close-up of a Common shore crab (Carcinus maenas) in a rock pool, vibrating its maxillae to aerate its gills and flicking its antennae, Cornwall, UK, March.
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Nick Upton / Close-up of a Common shore crab (Carcinus maenas) in a rock pool, vibrating its maxillae to aerate its gills and flicking its antennae, Cornwall, UK, March.
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Nick Hawkins / Comparison of the invasive European green crab (Carcinus maenas) on left to native Atlantic rock crab (Carcinus irroratus) on right. Kejimkujik Seaside National Park, Nova Scotia, Canada. July.
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Nick Hawkins / Invasive European green crab (Carcinus maenas) with eel grass (Zostera marine) in Kejimkujik Seaside National Park, Nova Scotia, Canada. July.
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Nick Hawkins / European green crab (Carcinus maenas), an invasive species in North America, Kejimkujik Seaside National Park, Nova Scotia, Canada. July.
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Nick Hawkins / Invasive European green crabs (Carcinus maenas) collected by park staff in Kejimkujik Seaside National Park near Port Joli, Nova Scotia, Canada. July.
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Terry Whittaker / Herring gull (Larus argentatus) with shore crab (Carcinus maenas ), Chanonry Point, Moray Firth, Highlands, Scotland. June.
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Terry Whittaker / Herring gull (Larus argentatus) with Shore crab (Carcinus maenas ) prey, Chanonry Point, Moray Firth, Highlands, Scotland. September.
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Terry Whittaker / Herring gull (Larus argentatus) with Shore crab (Carcinus maenas ), Chanonry Point, Moray Firth, Highlands, Scotland. June 2017
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Nick Upton / Young boy watches as a Shore crab (Carcinus maenas) caught in a rockpool is placed in his bucket, Cornwall, UK, October. Model released.
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Nick Upton / Young boy watches as a Shore crab (Carcinus maenas) caught in a rockpool is placed in his bucket, Cornwall, UK, October. Model released.
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Nick Upton / Young boy watches as a Shore crab (Carcinus maenas) caught in a rockpool is placed in his bucket, Cornwall, UK, October. Model released.
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Sue Daly / Shore Crab (Carcinus maenas) on sea shore, Guernsey, British Channel Islands.
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Sue Daly / Shore Crab (Carcinus maenas) on sea shore, Guernsey, British Channel Islands.
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Alex Hyde / Shore Crab (Carcinus maenas) female carrying eggs with claws raised in defensive posture. Northumberland, UK. May.
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Alex Hyde / Shore Crab (Carcinus maenas) female carrying eggs with claws raised in defensive posture. Northumberland, UK. May.
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Benjamin Barthelemy / Shore crab (Carcinus maenas) at low tide, Calvados, Normandy, France, July.
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Benjamin Barthelemy / Shore crab (Carcinus maenas) at low tide, Calvados, Normandy, France, July.
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Nick Upton / Herring gull (Larus argentatus) pecking at a Shore crab (Carcinus maenas) which it has caught in the Looe estuary at low tide, Cornwall, UK, June.
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Nick Upton / Herring gull (Larus argentatus) eating a Shore crab (Carcinus maenas) which it has caught in the Looe estuary at low tide, Cornwall, UK, June.
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Nick Upton / Shore crab (Carcinus maenas) in defensive posture with claws raised in crevice under Coralweed (Corralina officinalis). Rhossili, The Gower Peninsula, UK, July.
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Alex Hyde / Shore Crab (Carcinus maenas) on white background. From the Isle of Skye, Inner Hebrides, Scotland, UK.
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Will Watson / Common shore crab (Carcinus maenas), Essex, England, UK, September
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Nick Upton / Common Shore crab (Carcinus maenas) on clump of Toothed wrack (Fucus serratus) exposed on shore at low tide, St. Bees, Cumbria, UK, July.
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Alex Mustard / 2020VISION / Common shore crab (Carcinus maenas) on sandy bottom of a Scottish sea loch, Loch Long, Argyll and Bute, Scotland, UK, April
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MYN / Jerry Monkman / Green crab (Carcinus maenas) Rye, New Hampshire, USA, September. meetyourneighbours.net project
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MYN / Carsten Krieger / Common shore crab (Carcinus maenas), from rocky shore, County Clare, Ireland, June. meetyourneighbours.net project
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MYN / Carsten Krieger / Common shore crab (Carcinus maenas), from rocky shore, County Clare, Ireland, June. meetyourneighbours.net project
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MYN / Carsten Krieger / Common shore crab (Carcinus maenas) from rocky shore, County Clare, Ireland, August. meetyourneighbours.net project
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Alex Mustard / 2020VISION / Common shore crab (Carcinus maenas) in the dark waters of Loch Fyne, Argyll, Scotland, UK, June
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MYN / Niall Benvie / Common shore crab (Carcinus maenas) on white background, Scotland, UK meetyourneighbours.net project
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Laurie Campbell / Common Shore Crab (Carcinus maenas) Argyll, Scotland, June
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Wild Wonders of Europe / Lundgren / Common shore crab {Carcinus maenas} Lofoten, Norway, November 2008
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Wild Wonders of Europe / Lundgren / Common shore crab (Carcinus maenas) feeding, Lofoten, Norway, November 2008
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Wild Wonders of Europe / Lundgren / Common shore crab (Carcinus maenas) feeding, Lofoten, Norway, November 2008
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Wild Wonders of Europe / Lundgren / Common shore crab (Carcinus maenas) on seabed, Lofoten, Norway, November 2008
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Jeff Rotman / Common shore / Green Crab (Carcinus maenas) in defensive posture, New England, North Atlantic Ocean, USA
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Niall Benvie / Common shore crab {Carcinus maenas} Scotland, UK meetyourneighbours.net project
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Niall Benvie / Common shore crab (Carcinus maenas) meetyourneighbours.net project
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Mark Taylor / Shore Crab (Carcinus maenas) captive, UK