Fish swims amazing distance

When ecologist Niels Brevé recently opened his email, he could hardly believe what he saw. One of the fish he fitted with a transponder in a study he conducted in 2017 had surfaced. Literally, as it was caught by a German professional angler in the Mannheim harbour. No less than 550 kilometres from the Haringvlietsluizen, where Brevé dropped it into the sea.

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