Jellyfish have radial symmetry, meaning that if you sliced a jellyfish down the middle, the parts would be symmetrical, like the segments of an orange. These cnidarians are famous for their stinging ...

Stinging cells, produced by cnidarians such as jellyfish and anemones, are one of ocean creatures' most effective defences. This method of protection can keep almost all predators at bay - but not the ...

Hydractinia symbiolongicarpus is a member of the phylum Cnidaria, making it a close relative of jellyfish and corals. The animal’s tendency to form large ... in organisms outside of the group called ...

Jellyfish are also set to benefit from overfishing, and if climate change exerts further stress on marine life, cnidarians (which include jellyfish) can often prevail against rivals such as fish ...

but known are quite as adept at this healing task than sea-swelling Cnidarians, such as hydra, jellyfish, and sea anemones.

Beachcombers who walk the Texas coast this March may spot an unusual jellyfish among the usual marine life. The Mushroom Cap ...

The infamous box jellyfish developed its frighteningly powerful venom to instantly stun or kill prey, like fish and shrimp, so their struggle to escape wouldn’t damage its delicate tentacles.