- In North America, the term "yellowfish" is often used to refer to the yellow perch (Perca flavescens), a freshwater fish found in lakes and rivers across the continent.
- In South Africa, the term "yellowfish" refers to several species of fish belonging to the family Cyprinidae, including the Southern yellowfish (Barbus capensis), the Clanwilliam yellowfish (Labeobarbus seeberi), and the Orange River yellowfish (Austroglanis sclateri).
- In Australia, the term "yellowfish" may be used to refer to the yellowtail kingfish (Seriola lalandi), a marine fish found in the coastal waters of the Indian and Pacific Oceans.
- In Japan, the term "yellowfish" may refer to the Japanese amberjack (Seriola quinqueradiata), a saltwater fish that is popular for food in Japan and other parts of Asia.