Pacific Rock Cod Stewed with Oranges, Tomatoes, and Olives

This is a recipe that I’ve always enjoyed because it’s easily prepared. In California, rock cod (a rock fish, not a cod) is also known as “red snapper,” another misnomer, since it bears no relationship to the true red snapper from the Gulf of Mexico. I think this name was originally a marketing ploy— “Pacific red snapper” sounds a lot more enticing and expensive than “red rock cod.” Unfortunately, we’ve learned that rock cod caught off our California coast have been overfished, so choose a