Fishermen in Greece say an invasive puffer fish is spreading in coastal waters and causing widespread damage to fishing nets and related livelihoods. Reporting highlights that the species is highly destructive, with accounts describing its ability to bite through hard materials such as soda cans, suggesting strong teeth and feeding behavior that can damage gear and catch. Local fishers describe increased losses from nets being torn and disrupted fishing operations as the fish enters areas used for fishing. The reports frame the issue as an emerging environmental and economic problem linked to the arrival and expansion of the alien species in the region’s marine ecosystem. While specific details such as the exact route of introduction or the full ecological impact are not established in the provided summaries, the outlets agree on the immediate, practical consequences for fishermen and the scale of the damage being observed. The situation is drawing attention to the challenges of managing invasive marine species and protecting coastal economies that depend on commercial fishing.