Scientist sampling brown trout populations as part of fish management programme in la Garonne river St Gaudens France

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Scientist sampling brown trout Salmo trutta fario populations as part of fish management programme in la Garonne river St Gaudiens France The fish sample is taken using electric probes which temporarily stun the fish allowing scientists to check size and weight

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Size: 5120px × 3413px
Location: St Gaudens France
Photo credit: © Mark Boulton / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: biology, brown, catching, checking, ecology, fario, fishery, france, garonne, gaudens, la, research, river, salmo, sampling, scientists, size, st, stocks, testing, trout, trutta, weight