A video shared in a Feb. 21, 2025, X post claimed to show a "mesmerizing yet eerie" jellyfish moving across the seafloor. The ...

In this video, we explore how the fingernail-sized Irukandji jellyfish can cause excruciating pain, organ failure, and even death with just a single sting.

Alexey Masliy/ Shutterstock The fried egg jellyfish – Cotylorhiza tuberculata – is named for its distinctive domed, yolk-yellow body. This jellyfish is mostly found in the Aegean, Adriatic and ...

The 9-second clip showed the jellyfish coming into frame with big yellow eyes above a nose-shaped feature that framed a teeth-filled mouth. Near the end of the video, the jellyfish's eyes and ...

The 9-second clip showed the jellyfish coming into frame with big yellow eyes above a nose-shaped feature that framed a teeth-filled mouth. Near the end of the video, the jellyfish's eyes and mouth ...