Narrator: At up to $3,500 a kilo, it's the most expensive sea cucumber on the market. Compared to other varieties, like the Golden Sandfish, Dragonfish, and Curry Fish. And even if you order a ...

Researchers inside a deep-sea vehicle collected sea cucumbers from the seafloor, then discovered two new species. Jong Marshes via Unsplash Off the western coast of Australia, the Wallaby-Zenith ...