Phylum Cnidaria
Jellyfish
Ancient gelatinous marine creatures that have drifted through Earth's oceans for over 500 million years, jellyfish are invertebrates with stinging tentacles. These translucent sea drifters range from tiny species to massive moon jellies and dangerous box jellyfish.
🧬 Scientific Profile
Discover the fascinating biology and behavior of jellyfish
Habitat & Range
Found in every ocean from surface waters to the deep sea, and some in freshwater. They inhabit tropical and polar waters, coastal areas and open ocean.
Diet & Behavior
Jellyfish are carnivorous, capturing prey with their stinging tentacles. They feed on plankton, small fish, and other jellyfish.
Amazing Facts
Jellyfish have existed for over 500 million years and have no brain, heart, or blood. They are 95% water and can regenerate lost body parts.
🌱 Conservation & Protection
Learn how you can help protect jellyfish and support marine conservation efforts
How You Can Help
Reduce carbon emissions to combat ocean acidification and warming. Support sustainable fishing to maintain ecosystem balance.
💡 Every action counts! Small changes in daily habits can make a big difference for marine conservation.
Conservation Organizations
🔗 Consider donating or volunteering with these organizations to directly support jellyfish conservation.
See Jellyfish in Person
Visit these aquariums to observe jellyfish and learn more about marine conservation
Support Conservation: Many of these aquariums participate in breeding programs, research, and education that help protect wild jellyfish populations.