Multiple outlets describe growing concern about the presence of toxic toadfish in parts of the Mediterranean, where holiday areas are said to be seeing more sightings. The reporting focuses on the fish’s toxicity and potential risk to people, including swimmers. The accounts explain that the poison tetrodotoxin is associated with certain puffer-toadfish species and is naturally produced within the fish, including in tissues such as the liver. Tetrodotoxin is described as one of the most potent natural toxins, and the articles characterize the species as having sharp teeth and a potential ability to cause injury. While the sources share the same core claims about the toxin and the fish’s presence in popular coastal locations, the coverage provided here does not include consistent, outlet-specific details such as confirmed counts, specific sites, timing of the changes, or formal public-health guidance. Overall, the articles present tetrodotoxin-based toxicity and increased sightings in Mediterranean hotspots as the main points of concern, but they do not offer comprehensive verification or agreed figures in the supplied text.