Madeira Scorpionfish

Overview

The Madeira Scorpionfish (Scorpaena maderensis) is a small, bottom-dwelling marine fish frequently found in the eastern Atlantic Ocean and the Mediterranean Sea. Known for its exceptional camouflage, this species typically remains motionless on the seafloor, relying on its appearance to ambush prey while avoiding detection by predators.

Distribution & habitat

This species inhabits shallow coastal waters, typically at depths between 20 and 40 meters. It shows a strong preference for rocky environments, including ledges, depressions, and areas with small boulders, often favoring sites with abundant brown algal growth. Its range extends from the Gulf of Biscay and the Mediterranean Sea southwards to Senegal, including island groups such as the Azores, Madeira, the Canary Islands, and Cape Verde.

Appearance

Reaching a maximum length of approximately 14 to 18 cm, the Madeira Scorpionfish has a stout body covered in ctenoid scales. It is distinguished from similar scorpionfish by its relatively less massive head, which is protected by strong spines and features two pairs of characteristic white skin flaps hanging from the lower jaw. Its coloration is generally reddish-brown with dark mottling and pale areas, often marked by three distinct dark bands on the body and tail. Like other members of the Scorpaenidae family, it possesses venomous spines on its head and fins that can cause painful injuries.

Biology & behavior

This fish is primarily solitary and sedentary, spending most of its time lying immobile on the bottom. It is a carnivorous ambush predator that feeds on small fishes and crustaceans. While generally not territorial, it may occasionally display aggression toward other species.