The silver-cheeked toadfish, a puffer fish with toxic flesh and powerful jaws, is spreading through the Mediterranean. Its expansion has prompted warnings from local authorities because it may pose risks to swimmers, fishers and anyone who eats it.

The article describes the fish as capable of inflicting severe bites and notes that puffer fish can contain dangerous toxins. It frames the development as a growing concern in holiday waters, although the supplied text does not give specific locations, numbers or confirmed incidents.