IFLScience - These underwater crop circles are highly complex and can measure an astonishing six feet in diameter. This behaviour was first reported last year, but the paper was only published earlier
![Mysterious Underwater 'Crop Circles' Discovered Off the Coast of Japan — Colossal | Crop circles, Ancient mysteries, Circle Mysterious Underwater 'Crop Circles' Discovered Off the Coast of Japan — Colossal | Crop circles, Ancient mysteries, Circle](https://i.pinimg.com/736x/50/c5/5e/50c55e6cd92c12a6acf0706bb58ba24e.jpg)
Mysterious Underwater 'Crop Circles' Discovered Off the Coast of Japan — Colossal | Crop circles, Ancient mysteries, Circle
![Underwater crop circle-building pufferfish officially described as Torquigener albomaculosus | Reef Builders | The Reef and Saltwater Aquarium Blog Underwater crop circle-building pufferfish officially described as Torquigener albomaculosus | Reef Builders | The Reef and Saltwater Aquarium Blog](https://reefbuilders.com/wp-content/blogs.dir/1/files/2015/01/Torquigener-albomaculosus.jpg)
Underwater crop circle-building pufferfish officially described as Torquigener albomaculosus | Reef Builders | The Reef and Saltwater Aquarium Blog
![Mission Blue on X: "Puffer fish creates amazing crop circles to attract mate! http://t.co/aX3CzXXsXC http://t.co/uzsaHNo5ZO" / X Mission Blue on X: "Puffer fish creates amazing crop circles to attract mate! http://t.co/aX3CzXXsXC http://t.co/uzsaHNo5ZO" / X](https://pbs.twimg.com/media/CPb0TCPUwAAR-Ue.jpg)