A subgroup of air-breathing, terrestrial (land) arthropods, spiders are not actually insects but rather belong to the Class Arachnida (a.k.a. arachnid). Besides spiders, other arachnids include ...

but that’s just the beginning–there are all sorts of fascinating facts about these oversized sea-dwellers. So, here is a list of amazing facts about the world’s largest spider crab.