Intresting case of Punctuated Equilibria sub-speciation in the Atlantic herring. It colonized brakish and very recently fully formed Baltic sea (8 Ka BP). Planktivore turned in to piscivore with ...

A comparison of the fast-growing fish-eating Baltic herring (Slåttersill in Swedish) and slow-growing plankton-eating spring- and autumn-spawning Baltic herring. Photo: Leif Andersson.

Atlantic and Baltic herring are typical plankton-eating fish of central importance for the northern Atlantic Ocean and Baltic Sea ecosystems. A new study published in Nature Communications led by ...