Shane Gross / Flying fish (Exocoetidae) in Sargasso Sea, Atlantic Ocean.
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Juergen Freund / Moral eels, Urchins, Cuttlefish, Shrimp and other marine life living within a discarded tyre and fishing net under a ships' harbour, Maluku, Indonesia. November.
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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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David Fleetham / Jaws and teeth of Stout Moray (Gymnothorax eurostus). Hawaii.
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David Fleetham / White mouthed moray eel (Gymnothorax meleagris), Hawaii.
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David Fleetham / Pair of Yellow edged moray eels (Gymnothorax flavimarginatus) in coral crevice, Hawaii.
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David Fleetham / White-eyed moray eel (Muraena thyrsoides) close to Zebra lionfish (Dendrochirus zebra), Philippines.
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David Fleetham / Pair of White-eyed moray eels (Muraena thyrsoides) share the hole of a mooring block off Bali, Indonesia.
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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.