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"As unpredictable—and probably just as controversial—as UFOs, Leyak are a supernatural phenomenon most feared by many Indonesians."
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Gakugyo (鰐魚, meaning crocodile fish) is a cryptid with very little information reported from Mie Prefecture, Japan.
Description[]
In 1875, a creature called Gakugyo attacked people in Mie Prefecture. This event was reported in newspapers.
Some people believe that Gakugyo is a survivor of large extinct Japanese crocodiles such as Toyotamaphimeia, others that it is a saltwater crocodile that came from the south on ocean currents, and still others believe that it is a sturgeon.