Beautiful Ancient Creature Found In The Sea

This mesmerizing video captures a swimming Feather Star, also known as a crinoid, gracefully propelling itself through the ocean with elegant, feather-like arms. Though they may look like drifting plants, these fascinating marine animals are living fossils, with ancestors dating back to the Ordovician period nearly 480 million years ago. As the creature rhythmically pulses its many arms to move across the seafloor and into open water, viewers get a rare glimpse at one of Earth’s most ancient lifeforms still thriving in modern oceans — a stunning reminder of how little some species have changed since prehistoric times.

WATCH:

A swimming Feather Star, also known as a crinoid. These ancient creatures date back to the Ordovician period, around 480 million years ago pic.twitter.com/PBdJENSXCq

— Nature Unedited (@NatureUnedited) February 15, 2026