Blue perch can refer to several species of fish:

• Blue badis (Badis badis), a chameleonfish from freshwater of Asia
• Cunner (Tautogolabrus adspersus), a wrasse from the northwestern Atlantic Ocean
• Halfmoon (Medialuna californiensis), a sea chub from the northeastern Pacific Ocean

This disambiguation page lists articles associated with the title Blue perch.
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