Concerns are growing in Tunisia regarding the increasing presence of pufferfish, also known as balloonfish, along its coastlines. This species is considered invasive within the Mediterranean Sea, posing a potential threat to the local marine ecosystem. The recent surge in sightings has prompted alerts and increased monitoring efforts. Details were first reported by Kapitalis, highlighting the escalating situation. The pufferfish’s proliferation may impact native fish populations and potentially disrupt the marine food chain. Authorities are assessing the extent of the invasion and considering strategies for managing its spread to mitigate ecological damage. Further research is needed to understand the long-term consequences of this invasive species’ establishment.