In the 1950s, Japan imported American turtles as pets and released adults, which later spread through waterways and may have competed with native turtles

The once-beloved red-eared sliders, originally kept as pets, have turned into a troubling invasive species throughout Japan. Their increasing population threatens the delicate balance of native wildlife as many owners often decided to abandon them in nature. In response, Japan has enacted strict regulations prohibiting their release and trade, with heavy fines and potential prison time for those who violate these new laws.
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