Sea lampreys migrate from oceans to rivers and lakes to mate, feeding on the blood of fish such as lake sturgeon and salmon. Emperor scorpions, among the largest scorpions at nearly eight inches ...

Tailless whip scorpions might just do the trick with their impressively prehistoric-looking bodies and frankly too many limbs. Tailless whip scorpions, also known as whip spiders, belong to the ...

Still, next to nothing is known about most local scorpion species. During the Paleozoic Era, giant sea scorpions would have been the equivalent of a great white shark in their food web.