Sightings of a poisonous pufferfish in a popular European country could spell trouble for its booming tourist trade.

A TOXIC pufferfish with an extremely dangerous bite and flesh that’s lethal to consume is invading a holiday hotspot.

Following is a transcript of the video. Narrator: If there's one thing you know about puffer fish, it's that they can do this. When aggravated by a predator, they, you know, puff up. Some puffers ...

There are over 120 species of puffer fish, and 22 different kinds are approved by the Japanese government for use in restaurants. But one is more prized, and more poisonous, than the others ...

"This invasive species is known for its aggressive behaviour," said study ... Scientists say that the dangerous fish poses a threat to local marine life, fisheries, and "public safety".