The flatfish fillet belongs to the family of flatfish and is also known as lliseria or northern gallo. It is characterized by its elongated shape and light yellow color on the back and pink in the abdominal area. This fish is perfect for various preparations, whether with skin, without skin, or in chunks. Its fat content is very low, making it ideal for those on low-calorie diets. However, it is important to avoid cooking methods that alter it, such as frying. It provides high-quality protein and is rich in B vitamins, essential for various biological functions. The gallo is found in the waters of the northeast Atlantic and the Mediterranean, inhabiting depths ranging from 100 to 400 meters, and sometimes up to 800. This product is ideal for enjoying in the kitchen, whether grilled or baked, enhancing its delicate and nutritious flavor.