Greece Offers Bounty To Catch Ravenous Fish Lured By Warming Seas

By Paul Tugwell

Jul 19, 2026 (Bloomberg) –Stavros Moraitis has spent more than three decades fishing in the azure waters off the Greek island of Milos. He’s used to competition from rare monk seals, but now global warming has brought a rival with a far more voracious appetite: the silver-cheeked puffer fish.

As the seas have warmed, the fish has migrated from the tropical waters of the Indian Ocean to the Mediterranean via the Suez Canal. Armed with teeth that can bite through steel cans and a body containing a neurotoxin 1,000 times more potent than cyanide, it has few natural