The Marinhoa cattle breed is known for its hardiness and ability to thrive in various climates, raised mainly for meat with a distinct flavor. It is characterized by its large size and muscular build, with bulls weighing up to 800 kg. The breed has a reddish-brown coat with a lighter underbelly and a docile, easy-going temperament. Conservation efforts are underway, with populations estimated in the thousands, mostly found in Central Portugal's Aveiro District. The breed has thick, elastic skin and a light brown coat, a long and flat head, a strong and muscled body, and small horns. The breed's profile is sub-concave.