"Red herring": Cold smoked herring (Scottish kippers), brined so that their flesh achieves a reddish colour, for sale at <a href="//commons.wikimedia.org/wiki/Harrods" title="Harrods">Harrods</a> department store.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/31741176@N00">misocrazy</a> from New York, NY
CC BY 2.0
Cropped from <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/misocrazy/68154240/">Kipper</a>