Scorpaena scrofa is the largest eastern Atlantic scorpion fish. Colouration ranges from brick-red to a light pink, and it has dark coloured blotches on its body. It has venomous spines, can achieve a maximum weight of approximately 3 kilograms (6.6 lb). It can grow to a maximum length of 50 centimetres (20 in), but is commonly around 30 cm (12 in). It has 12 dorsal spines, 9 dorsal soft rays, 3 anal spines, and 5 soft rays. It often has a dark spot on its spinous dorsal spines between the 6th and 11th. It has long supraorbital tentacles.