Photos: Pufferfish Make Seafloor Circles to Mate

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Mysterious circles

Credit: Kawase et al
Divers noticed a beautiful, strange circular pattern like this one on the seafloor off Japan in 1995, and soon after, more circles were discovered nearby.…Read More »

Some likened these formations to "underwater crop circles." The geometric formations mysteriously appeared and disappeared, and for more than a decade, nobody knew what made them.    Less «
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Douglas Main, OurAmazingPlanet Staff Writer

Douglas Main

Douglas has written for the New York Times Green Blog, Popular Mechanics and Discover Magazine. He has an M.A. in journalism from the Science, Health & Environmental Reporting Program at New York University. Before that he studied biology and English literature at Washington University in St. Louis.
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