Red herring not included

This is yet another volume of “Nationalnyckeln”, a Swedish biological encyclopedia. So far, 17 volumes have been published. This one covers all 216 species of ray-finned fishes (a subgroup of bony fishes) found in Sweden. Or rather in Swedish waters! Some are spectacular, such as the Opah, the Oarfish, John Dory, the Ocean Sunfish and the Swordfish. Others can lead to spectacular controversies. Something tells me it's not permissible to start a brawl with a fisherman over the exact difference between a “sill” and a “strömming” (in English, an Atlantic herring and a Baltic herring). The red herring is not included in this volume, however…