arenque in English:

Pickled herring is thought of as a delicacy in many parts of the world, especially in the Nordic countries.

plural: herring / herrings

I would like to eat a herring.

He deals in herring, and he always smells of it.

... Harbour once teemed with herring, its beaches rich with...

The police followed a red herring while they let the true criminal escape.

In order to distract the others, we brought up this irrelevant issue as a red herring.