Shane Gross / Pelagic thresher shark (Alopias pelagicus) cleaned by a Bluestreak cleaner wrasse (Labroides dimidiatus) at Monad Shoal off Malapascua Island, Philippines.
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Shane Gross / Pelagic thresher shark (Alopias pelagicus) being cleaned by a bluestreak cleaner wrasse (Labroides dimidiatus) at Monad Shoal off Malapascua Island, Philippines.
Pascal Kobeh / Pelagic thresher shark (Alopias pelagicus) with its long tail, Sulu Sea, Philippines.
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Doug Perrine / Pelagic thresher shark (Alopias pelagicus) male, Monad Shoal, off Malapascua, Cebu, Philippines. Visayan Sea, Western Pacific Ocean.
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Doug Perrine / Pelagic thresher shark (Alopias pelagicus) female, Monad Shoal, off Malapascua, Cebu, Philippines. Visayan Sea, Western Pacific Ocean.
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Doug Perrine / Pelagic thresher shark (Alopias pelagicus) male, Monad Shoal, off Malapascua, Cebu, Philippines. Visayan Sea, Western Pacific Ocean.
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Georgette Douwma / RF - Thresher shark (Alopias pelagicus) swimming over seabed, Malaspascua, Philippines. (This image may be licensed either as rights managed or royalty free.)