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Underwater crop circle-building pufferfish officially described as Torquigener albomaculosus | Reef Builders | The Reef and Saltwater Aquarium Blog
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zoology - What exactly is this small puffer fish doing and how did it manage to accomplish such a feat? - Biology Stack Exchange
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Role of Huge Geometric Circular Structures in the Reproduction of a Marine Pufferfish | Scientific Reports
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