这是马毛虫。 它是一种可以在大多数淡水中找到的寄生虫。 它们也存在于螳螂、甲虫、ECT 等昆虫中。 它们被误食后感染宿主，然后在宿主体内生活3个月。 3 个月后，蠕虫迫使宿主淹死自己。

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This is a horsehair worm. It’s a parasite that can be found in most freshwater. They can also be found in insects such as mantis,beetles, ECT. They infect the host after accidentally being ingested, they then live in the host for 3 months. After 3 months, the worm forces the host to drown itself.
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