The product sold in Hawaii markets as "Butterfish" is what is also known as "Black Cod" in other regions. Escolar is sold in Hawaii as "walu" but it's reputation precedes it.

What folks in Hawaii smirk over is the country's infatuation with tilapia . . . generally considered a "rubbish fish" because it can survive and thrive in the worst ponds, lakes or mudholes on the island.