European eel (Anguilla anguilla) elvers for a reintroduction swimming in a large holding tank at UK Glass Eels, Gloucester, UK.

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European eel (Anguilla anguilla) elvers swimming in a large holding tank at UK Glass Eels, ahead of being reintroduced to a lake in Wales, Gloucester, UK, October.

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Size: 4500px × 2999px
Location: Gloucester, Gloucestershire, UK
Photo credit: © Nick Upton / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: anguilla, anguillidae, aquaculture, autumn, brown, captive, conservation, eel, eels, elvers, england, europe, fish, juveniles, kingdom, masses, migrating, migration, osteicthyes, sustainability, swimming, tank, tanks, uk, underwater, united, vertebrates, yellow, young