Comment on North Sea cod are getting smaller—can we reverse that?

North Sea cod are getting smaller—can we reverse that?

Enlarge (credit: Anton Petrus) Generation over generation, catch after catch, fishing changes fish evolution. This phenomenon, called fisheries-induced evolution, is well documented, though it impacts the myriad species of fish differently. For the North Sea cod, it has meant that early bloomers thrive, while fish that are slower to mature get taken out of the gene pool.

 

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