Spider crabs form huge underwater piles, some as tall as a person. These fascinating crustaceans are on a risky mission – to get bigger. Every winter in shallow waters off Australia’s southern coast, ...

Tens of thousands of giant spider crabs have migrated to South Australia’s Eyre Peninsula, baffling locals and scientists ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Quick, think of every place you’ve seen a spider. A forest ...