European eel (Anguilla anguilla) elvers wriggling up an Eel pass between clumps of nylon bristles on the side of a weir, Somerset, UK, July.

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European eel (Anguilla anguilla) elvers wriggling up an Eel pass between clumps of nylon bristles on the side of a weir on a drainage channel as they migrate upstream at night, Somerset Levels, UK, July.

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Size: 3047px × 4571px
Location: Greylake, Somerset, UK
Photo credit: © Nick Upton / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: anguilla, anguillidae, close, conservation, eel, eels, elvers, england, europe, european, fish, juveniles, kingdom, migration, nocturnal, osteicthyes, pass, passes, rivers, summer, sustainability, sustainable, uk, united, ups, vertebrates, vertical