Herring and Sprat

Herring noun - Commercially important food fish of northern waters of both Atlantic and Pacific.

Sprat and herring are semantically related. In some cases you can use "Sprat" instead a noun "Herring".

Sprat noun - Small fatty European fish; usually smoked or canned like sardines.

Herring and sprat are semantically related. You can use "Herring" instead a noun "Sprat".