Scorpaena grandicornis is a fish species commonly found in the western Atlantic Ocean. It is a member of the Scorpaenidae family and is known for its distinctive physical features, including spiny fins, large head, and rough scales. The common names used to refer to Scorpaena grandicornis include the Atlantic mud scorpion, the spotted scorpionfish, and the ocellated scorpionfish. The scientific name of the fish also has several synonyms, including Scorpaena flavirostris, Scorpaena hirundo, and Scorpaena marini, among others. Regardless of the name, Scorpaena grandicornis is a fascinating species with a powerful venom that can cause severe injuries to human beings.