👉 A billfish is a fish species native to the Atlantic Ocean, characterized by its distinctive red and white stripes. These stripes are known as the "bill," which appears on both sides of the body. Billfishes have a long, slender body with a streamlined shape, and their fins are adapted for swimming in water. Billfishes are classified into two main types: bullfinch-like billfishes (e.g., bullfinch, bullhead) and flathead billfishes (