Jellyfish are mainly free-swimming marine animals, although a few are anchored to the seabed by stalks rather than being motile. They are made of an umbrella-shaped main body made of …

3 days ago · Jellyfish, any planktonic marine member of the class Scyphozoa (phylum Cnidaria), a group of invertebrate animals composed of about 200 described species, or of the class …

Discover facts about gelatinous jellyfish, including what they eat, how they move and the clever stinging adaptation that has helped them flourish for millions of years.

But despite their name, jellyfish aren't actually fish—they're invertebrates, or animals with no backbones. Jellyfish have tiny stinging cells in their tentacles to stun or paralyze their prey...

Introduction to Cnidaria Jellyfish, corals, and other stingers Cnidarians are incredibly diverse in form, as evidenced by colonial siphonophores, massive medusae and corals, feathery …

Dec 21, 2025 · Discover 45 Types of Jellyfish with detailed identification, habitats, and behaviors. Explore fascinating facts about these mesmerizing ocean drifters.

May 16, 2025 · Imagine floating through the ocean without a brain, heart, or bones, yet surviving for over 650 million years! Jellyfish are some of the most fascinating creatures in our oceans, …

Jul 3, 2025 · Discover the fascinating world of jellyfish—learn about their habitat, behavior, diet, lifecycle, adaptations, and role in ocean ecosystems.

Aug 4, 2025 · Jellyfish have persisted for over 500 million years, outliving dinosaurs and navigating all five major mass extinction events that have reshaped life on Earth. Their …

Apr 25, 2025 · Jellyfish, primarily from the phylum Cnidaria (classes Scyphozoa, Cubozoa, and Hydrozoa), are gelatinous, free-swimming marine animals known for their bell-shaped bodies …