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Pufferfish Crop Circles (13) More files...
Off of Amami Oshima Island in Japan a remarkable discovery has been made. Striking patterns - concentric rings two meters in diameter with radiating ridges and grooves were discovered by an underwater cameraman Yoji Ookata but no one knew how they were created. Now we do thanks to researchers from Japan's Natural History Museum and Institute. A new, and as yet undescribed, species of pufferfish within the genus Torquigener is the artist that creates these underwater structures. A male fish takes a week to build this nest by using his fins to create the ridges which direct finer sediment to the center of the nest. He finishes off by decorating the radial ridges with larger shells and coral fragments. All this work to attract a female who, if she likes the aesthetics of the nest, will lay her eggs in the center which are then guarded by the male until they hatch, approximately six days later. Once the brood hatches the male must move elsewhere and build a new nest since ocean currents slowly erode his original construction.

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White-spotted Pufferfish (Torquigener albomaculosus) large nest created by male to attract females, Amami Oshima, Kagoshima, Japan. Sequence 2 of 5  -  Yoji Okata/ Nature Production
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00534494 White-spotted Pufferfish (Torquigener albomaculosus) large nest created by male to attract females, Amami Oshima, Kagoshima, Japan. Sequence 2 of 5© Yoji Okata/ Nature Production
White-spotted Pufferfish (Torquigener albomaculosus) large nest created by male to attract females, Amami Oshima, Kagoshima, Japan. Sequence 1 of 5  -  Yoji Okata/ Nature Production
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00534493 White-spotted Pufferfish (Torquigener albomaculosus) large nest created by male to attract females, Amami Oshima, Kagoshima, Japan. Sequence 1 of 5© Yoji Okata/ Nature Production
White-spotted Pufferfish (Torquigener albomaculosus) large nest created by male to attract females, Amami Oshima, Kagoshima, Japan. Sequence 3 of 5  -  Yoji Okata/ Nature Production
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00534495 White-spotted Pufferfish (Torquigener albomaculosus) large nest created by male to attract females, Amami Oshima, Kagoshima, Japan. Sequence 3 of 5© Yoji Okata/ Nature Production
White-spotted Pufferfish (Torquigener albomaculosus) large nest created by male to attract females, Amami Oshima, Kagoshima, Japan. Sequence 4 of 5  -  Yoji Okata/ Nature Production
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00534491 White-spotted Pufferfish (Torquigener albomaculosus) large nest created by male to attract females, Amami Oshima, Kagoshima, Japan. Sequence 4 of 5© Yoji Okata/ Nature Production
White-spotted Pufferfish (Torquigener albomaculosus) large nest created by male to attract females, Amami Oshima, Kagoshima, Japan  -  Yoji Okata/ Nature Production
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00534496 White-spotted Pufferfish (Torquigener albomaculosus) large nest created by male to attract females, Amami Oshima, Kagoshima, Japan© Yoji Okata/ Nature Production
White-spotted Pufferfish (Torquigener albomaculosus) male with female in nest, Amami Oshima, Kagoshima, Japan. Sequence 5 of 5  -  Yoji Okata/ Nature Production
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00534492 White-spotted Pufferfish (Torquigener albomaculosus) male with female in nest, Amami Oshima, Kagoshima, Japan. Sequence 5 of 5© Yoji Okata/ Nature Production
White-spotted Pufferfish (Torquigener albomaculosus) nest made by male, Amami Oshima Island, Kagoshima, Japan  -  Yoji Okata/ Nature Production
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00530475 White-spotted Pufferfish (Torquigener albomaculosus) nest made by male, Amami Oshima Island, Kagoshima, Japan© Yoji Okata/ Nature Production
White-spotted Pufferfish (Torquigener albomaculosus), Amami Oshima, Kagoshima, Japan  -  Yoji Okata/ Nature Production
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00534485 White-spotted Pufferfish (Torquigener albomaculosus), Amami Oshima, Kagoshima, Japan© Yoji Okata/ Nature Production
White-spotted Pufferfish (Torquigener albomaculosus) male decorating his with shells nest to attract females, Amami Oshima, Kagoshima, Japan  -  Yoji Okata/ Nature Production
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00534486 White-spotted Pufferfish (Torquigener albomaculosus) male decorating his with shells nest to attract females, Amami Oshima, Kagoshima, Japan© Yoji Okata/ Nature Production
White-spotted Pufferfish (Torquigener albomaculosus) male decorating his nest with shells to attract females, Amami Oshima, Kagoshima, Japan  -  Yoji Okata/ Nature Production
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00534487 White-spotted Pufferfish (Torquigener albomaculosus) male decorating his nest with shells to attract females, Amami Oshima, Kagoshima, Japan© Yoji Okata/ Nature Production
White-spotted Pufferfish (Torquigener albomaculosus) male decorating his nest with shell bits to attract females, Amami Oshima, Kagoshima, Japan  -  Yoji Okata/ Nature Production
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00534488 White-spotted Pufferfish (Torquigener albomaculosus) male decorating his nest with shell bits to attract females, Amami Oshima, Kagoshima, Japan© Yoji Okata/ Nature Production
White-spotted Pufferfish (Torquigener albomaculosus) male and female in nest, Amami Oshima, Kagoshima, Japan  -  Yoji Okata/ Nature Production
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00534489 White-spotted Pufferfish (Torquigener albomaculosus) male and female in nest, Amami Oshima, Kagoshima, Japan© Yoji Okata/ Nature Production
White-spotted Pufferfish (Torquigener albomaculosus) male aerating eggs, Amami Oshima, Kagoshima, Japan  -  Yoji Okata/ Nature Production
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00534490 White-spotted Pufferfish (Torquigener albomaculosus) male aerating eggs, Amami Oshima, Kagoshima, Japan© Yoji Okata/ Nature Production
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