Small, fertile, rugged and fueled by an expansive appetite, the species, he says, is “an exemplary invader, a perfect invader ...

but Japanese spider crabs are gentle giants. And giants they are. Of the 60,000 species of crustaceans on Earth, Japanese spider crabs are the largest, spanning up to 12.5 feet from the tip of one ...

Horseshoe crabs are often referred to as the "living fossils" of our planet—the four known species, including three in Asia ...