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18 Extremely Large Animals You Might Not Think Are Real

16. Large Japanese Spider Crab

The second crab on this list and for good cause. Imagine running into a crab that is 12 feet long, 42 pounds, and scary looking as a normal crab. One downside to being such a large crab is that it is hard to continue to survive. The population of the Japanese spider crab is dwindling and may soon become on the endangered species list.