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

A yellow flag, and a special purple flag, have been raised on a beach in Tenerife after a dangerous discovery was made.

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 ...

Yellow and blue damselfish This striking yellow ... The mythical-looking cannonball jellyfish truly are a sight to behold, especially on full moon days when they are often spotted grouped together ...

Beachcombers who walk the Texas coast this March may spot an unusual jellyfish among the usual marine life. The Mushroom Cap Jellyfish (Rhopilema verrilli), a rarely seen visitor, has been washing ...

Despite their harmless appearance, these tiny creatures possess deadly venom, making them formidable predators in various environments. Beware!