How can jellyfish see

Tentacles hang down from the smooth baglike body and sting their prey. Jellyfish stings can be painful to humans and sometimes very dangerous. But jellyfish don't purposely attack humans. Most stings occur when people accidentally touch a jellyfish, but if the sting is from a dangerous species, it can be deadly.

Jellyfish digest their food very quickly. They wouldn't be able to float if they had to carry a large, undigested meal around. They dine on fish , shrimp, crabs and tiny plants. Notify me of new posts via email. Photo by Alexander Semenov Do these behaviors mean jellyfish are self-aware? Like this: Like Loading Previous Invertebrate development in glass. Thank you! Would you recommend it? Leave a Reply Cancel reply Enter your comment here Fill in your details below or click an icon to log in:.

Email required Address never made public. Name required. Follow Following. The Helm Lab Blog Join other followers. Sign me up. Already have a WordPress. Log in now. Photo by Mr. Scientists have discovered jellyfish fossil snapshots in rocks believed to be more than million years old.

That makes them even older than dinosaurs! So how does a jellyfish live without these vital organs? India bets its energy future on solar—in ways both small and big.

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