Nick Upton / European eel (Anguilla anguilla) elver migrating upstream, using an eel pass on the side of a weir, Somerset Levels, England, UK, July.
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Dave Bevan / Male Blackbird (Turdus merula) catching European eel (Anguilla anguilla) elvers as they migrate up a waterfall, Ceredigion, Wales, UK, July.
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Dave Bevan / Male Blackbird (Turdus merula) catching European eel (Anguilla anguilla) elvers as they migrate up a waterfall, Ceredigion, Wales, UK, July.
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Dave Bevan / European eel (Anguilla anguilla) elvers migrating up a wet rock next to a waterfall, Ceredigion, Wales, UK, July.
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Alex Mustard / Giant mottled eel (Anguilla marmorata) in river with villagers washing clothes in background. Ambon, Maluku Archipelago, Indonesia. Banda Sea, tropical west Pacific Ocean.
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Jurgen Freund / Giant mottled fresh water eels (Anguilla marmorata) in shallows, split level view, Lissenung Island, Kavieng, New Guinea. Second Place in the Portfolio Award of the Terre Sauvage Nature Images Awards...
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Solvin Zankl / Eel (Anguilla leptocephali) larva, Sargasso Sea, Bermuda.
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Eric Baccega / Common cormorant (Phalacrocorax carbo) catching a european eel (Anguilla anguilla), captive, Alsace, France.
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Shibai Xiao / Marbled eel (Anguilla marmorata) captured by local people and being held up in net, Hainan Island, China. No release available.
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David Woodfall / Collection of European eels (Anguilla anguilla) bred as part of breeding project, to be exported to Lough Neagh in Northern Ireland. UK. May 2010
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Jane Burton / Young European eels / elvers {Anguilla anguilla}, UK
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Solvin Zankl / Eel larva in the "leptocephalus" stage {Anguilla sp}, Atlantic ocean
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Michel Roggo / European Eel (Anguilla anguilla) juveniles migrating upstream, Rhine River, Switzerland, 1992
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TIM MARTIN / European eel.
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Tim Fitzharris / Sierra Ponce and Rio Grande, Big Bend National Park, Texas
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David Perpinan / European eel (Anguilla anguilla) swimming in front of the camera at night, Barcelona, Spain, May.
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Jurgen Freund / Speckled longfin eel (Anguilla reinhardtii) and Saw-shelled turtle (Myuchelys latisternum) group. Lake Barrine, Crater Lakes National Park, Wet Tropics of Queensland, Australia.
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Doug Gimesy / Scientist holding a Short-finned eel (Anguilla australis) before it is weighed, tagged and released back into the Tarago River, Neerim South, Victoria, Australia. Model released.
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Doug Gimesy / Scientist weighing Short-finned eel (Anguilla australis) before it is tagged and released, as part of ongoing research for Melbourne water, Tarago River, Neerim South, Victoria, Australia. March 2020....
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Linda Pitkin / Nudibranch (Bornella anguilla) Lembeh Strait, North Sulawesi, Indonesia.
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SCOTLAND: The Big Picture / European eel (Anguilla anguilla) migrating upstream bypassing a waterfall by leaving the water completely. Cairngorms National Park, Scotland, UK, July.
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Dave Bevan / European eel (Anguilla anguilla) elvers migrating up a rock face next to a stream, Ceredigion, Wales, UK, July.
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Dave Bevan / Male Blackbird (Turdus merula) catching European eel (Anguilla anguilla) elvers as they migrate up a waterfall, Ceredigion, Wales, UK, July.
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Dave Bevan / European eel (Anguilla anguilla) elver trying to migrate up a rock face, before slipping back, Ceredigion, Wales, UK, July.
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Dave Bevan / European eel (Anguilla anguilla) elvers migrating up a wet rock next to a waterfall, Ceredigion, Wales, UK, July.
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Jean E. Roche / Fishermen carrying net of live Eels (Anguilla anguilla) Camargue, France, November.
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Jean E. Roche / Fishermen carrying net of live Eels (Anguilla anguilla) Camargue, France, November.
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Jean E. Roche / Fishermen weighing eel catching during sale, Camargue, France.November 2017.
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Jean E. Roche / European eel (Anguilla anguilla) portrait, Camargue, France.
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Jean E. Roche / Trapping European eels (Anguila anguilla) in the Camargue, for scientific research by the biological research station of Tour du Vala.
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Jean E. Roche / European eels (Anguilla anguilla) released after scientific research, La Gacholle, Camargue, France. April.
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Jean E. Roche / Scientists releasing European eel (Anguilla anguilla) after they were caught during research, La Gacholle, Camargue, France. April.
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Jean E. Roche / Scientists measuring European eels (Anguilla anguilla) during research, La Gacholle. Camargue, France, April.
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Jean E. Roche / Scientists trapping European eels (Anguila anguilla) in the Camargue, for scientific research by the biological research station of Tour du Vala.
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Remi Masson / European eel (Anguilla anguilla) in the River Rhone, Alps, France. Critically endangered species.
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Loic Poidevin / Grey heron (Ardea cinerea) feeding on European eel (Anguilla anguilla), Marais Breton, Vendée, France, January.
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Loic Poidevin / Grey heron (Ardea cinerea) feeding on European eel (Anguilla anguilla), Marais Breton, Vendée, France, January.
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Nick Upton / European eel (Anguilla anguilla) elvers being released from an inflatable boat by Elliot Gough during a reintroduction project run by Severn and Wye Smokery and UK Glass Eels, Lake Llangorse, Breacon...
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Nick Upton / European eel (Anguilla anguilla) elvers being released from an inflatable boat by David Blennerhassett during a reintroduction project run by Severn and Wye Smokery and UK Glass Eels, Lake Llangorse,...
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Nick Upton / European eel (Anguilla anguilla) elvers being packaged at UK Glass Eels for transport to Wales for a reintroduction project, Gloucester, UK, October 2016
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Nick Upton / European eel (Anguilla anguilla) elvers being packaged at UK Glass Eels for transport to Wales for a reintroduction project, Gloucester, UK, October 2016
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Nick Upton / European eel (Anguilla anguilla) elvers transported in insulated boxes on an inflatable boat during a reintroduction project run by Severn and Wye Smokery and UK Glass Eels, Lake Llangorse, Breacon Be...
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Nick Upton / European eel (Anguilla anguilla) elvers transported in insulated boxes on an inflatable boat during a reintroduction project run by Severn and Wye Smokery and UK Glass Eels, Lake Llangorse, Breacon Be...
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Nick Upton / European eel (Anguilla anguilla) elver, part of a shipment prepared by UK Glass Eels for transport to Wales for a reintroduction project, Gloucester, UK, October 2016
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Nick Upton / European eel (Anguilla anguilla) elver, part of a shipment prepared by UK Glass Eels for transport to Wales for a reintroduction project, Gloucester, UK, October 2016
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Nick Upton / Eel pass with clumps of nylon bristles to allow migration of young European eel (Anguilla anguilla) elvers, or glass eels, up the side of a weir on a drainage channel, Somerset Levels, UK, April.
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Nick Upton / Anna Carey fishing under license with a legally sized dip net for young European eel (Anguilla anguilla) elvers, or glass eels, on a rising tide on the River Parrett at night, Somerset, UK, March 201...
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Nick Upton / Anna Carey fishing under license, casting a legally sized dip net for young European eel (Anguilla anguilla) elvers, or glass eels, on a rising tide on the River Parrett at dusk, UK, March 2016