Coley is a type of fish belonging to the Pollachius genus, commonly found in the North Atlantic Ocean. It is known for its mild flavor and flaky texture, making it a popular choice for various culinary dishes. Coley is often used as a substitute for cod in recipes due to its similar taste and cooking properties. This fish is typically dark in color, with a lighter belly, and can grow up to 1 meter in length. Coley is often caught using trawling methods and is considered a sustainable seafood option. It is rich in protein and low in fat, contributing to a healthy diet.