Mediterranean holiday destinations are facing an infestation of toxic toadfish, a species characterized by razor-sharp teeth capable of cutting through human bone. These invasive fish are becoming a significant problem in popular tourist areas.

The toadfish, also known as pufferfish, possess a potent natural toxin called tetrodotoxin. This poison, considered one of the deadliest in the natural world, is found in the fish's liver. While often associated with thrilling narratives, tetrodotoxin is a naturally occurring substance.

The proliferation of these fish poses a threat not only to marine ecosystems but also to human safety, particularly for swimmers and fishermen in affected regions. The sharp teeth present a physical danger, while the toxin poses a risk if the fish is handled or consumed improperly.