Jellyfish

Find out everything there is to know about jellyfish and stay updated on the latest jellyfish news with the comprehensive articles, interactive features and jellyfish pictures at LiveScience.com. Learn more about these fascinating creatures as scientists continue to make amazing discoveries about jellyfish.
Read More
Ancient Jellies Had Spiny Skeletons, No Tentacles
Ancient comb jellies (representatives of four groups shown in this illustration) sported skeletonized body parts, researchers have found.
July 10th, 2015
Ancient gelatinous animals that resemble Christmas tree ornaments were protected by hard, spiny skeletons and lacked the trademark tentacles of today's jellies, fossils of the long-dead jellyfishlike creatures suggest.
Read More »
Jellyfish Swarms: Bellwethers of Environmental Change
Jellyfish swarm in the Gulf of Mexico
September 11th, 2014
Human activities are promoting giant jellyfish swarms.
Read More »
How Not to Get Stung by a Portuguese Man-of-War
A man of war in the water.
July 1st, 2015
Like cast members on a distasteful reality show, Portuguese man-of-war "jellyfish" are descending upon the Jersey Shore in increasing numbers.
Read More »
Billions of Blue Jellyfish Setting Sail for Beaches
velella
May 26th, 2015
Billions of by-the-wind sailors, also called Velella velella, could wash ashore in coming months because of favorable water temperatures and onshore winds.
Read More »
Puzzling New Animals Look Like Deep-Sea Mushrooms
Dendrogramma
September 3rd, 2014
Mysterious new animals discovered offshore of Australia are so unusual that an entire new taxonomic family was created to classify them.
Read More »
Jersey Shore Situation: Man-of-War 'Jellyfish' Pays a Visit
A man-of-war jellyfish on the beach.
June 23rd, 2015
The Jersey Shore is the place to be this summer (if you're a dead sea creature).
Read More »
Live Jellyfish Cam Offers Stunning Views of Sea Nettles
sea nettles
November 14th, 2014
If you're bored with all the vertebrates in your wildlife-cam media diet, the Monterey Bay Aquarium in California is now streaming mesmerizing live footage of its jellyfish.
Read More »
Two Venomous Jellies Discovered in Australia
Box jellyfish
August 13th, 2014
Two new species of jellyfish have been discovered off the coast of Western Australia. One is surprisingly large. The other is tiny. Both are extremely venomous.
Read More »