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10 Creepy Endangered Bugs You Shouldn't Squish

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Fen Raft Spider

If you're an arachnophobe who comforts yourself with the mantra "At least I'm safe in the water," then you might want to avert your eyes from Britain's fen raft spider, a .8-inch-long spider that makes its home in fens and marshes.

ARKive says that instead of building a web, they are comfortable hunting over open water -- using leaves and plant stems as temporary watch points, and then attacking by running across the surface tension of the water.

Worldwide, this spider has only been found in three parts of the United Kingdom; since they weren't discovered until 1956, the reasons for the small population are unclear, but biologists suggest the decline in the number of wetlands that provide their habitat.

Photo via Dear Kitty

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