Synanceja verrucosa, commonly known as the stonefish, is a venomous fish found in the Indo-Pacific region. This species is notorious for its highly venomous spines that can cause excruciating pain and even death. In the scientific community, the stonefish is referred to by various synonyms, including Synanceia verrucosa, Synanceja horrida, and Synanceia trachynis. Other common names for this fish include the reef stonefish, rock fish, and sting fish. Despite its dangerous reputation, the stonefish holds significant ecological importance as a predator in coral reef ecosystems. It is vital to handle this species with extreme caution or avoid contact altogether to prevent venomous stings.