What is a Japanese spider crab? They may look like something from a 1950s sci-fi film, but Japanese spider crabs are gentle giants. And giants they are. Of the 60,000 species of crustaceans on Earth, ...

These enormous and powerful terrestrial crabs have an unexpectedly diverse "vocabulary." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Coconut ...