The anax sea cucumber is a veritable giant compared to most sea cucumbers. Its body resembles a cylinder roaming leisurely on the ocean floor. Some small marine creatures forage for food on its body, and even burrow into its cavities searching for a meal. Check out the video to learn more.

About 'Journeys in Nature': Amazing Sansha Series

Marine biodiversity is critical to the healthy functioning of the planet, and the South China Sea is home to numerous species, ranging from coral reefs to crown fish and sea lilies. Let's take a deep dive and explore some amazing creatures.

For more:

Amazing Sansha Series | Ep. 1: Sea lily

Amazing Sansha Series | Ep. 2: Garden eel

Amazing Sansha Series | Ep. 3: Crown-of-thorns starfish

Amazing Sansha Series | Ep. 4: Coral colonies

(Cover image via screenshot)

(If you want to contribute and have specific expertise, please contact us at nature@cgtn.com.)