A new tropical species is raising concerns in the Adriatic: the Acanthurus monroviae, known as the "surgeonfish," which can cause deep cuts in humans. According to researchers, this species, originating from the warm waters of Liberia and the eastern Atlantic, has now officially settled in Croatian waters, with specific cases documented near the Croatian coast.
This fish has two sharp, scalpel-like bony spines at the base of its tail, which it uses for self-defense. Experts warn that contact with it can cause deep wounds that easily become infected. The risk persists even after the fish is caught, as the spines remain sharp after death.
The species can reach up to 48 centimeters in length and is distinguished by its brown body with yellow and blue-purple stripes. Although not particularly aggressive, it exhibits territorial behavior and can react swiftly. Scientists link its arrival to the warming of Adriatic waters, a phenomenon that is bringing more and more tropical species to the Mediterranean. Experts advise tourists and fishermen not to touch it if they see it.