Herring
Clupea harengus · Mackerel, garfish and shoal fish

A slim, silvery shoaling fish of the North Atlantic that feeds mainly on plankton, so it is usually caught on tiny feather lures rather than bait.[1]
How to recognise it
When and where
Sources
These notes are a draft: we gathered them from the sources above and are still checking them. We don't work out best times for this fish yet. The size rules come from the same checked byelaws as every other fish.