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 mesoglea, …

Dec 13, 2025 · 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 Cubozoa …

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...

Nov 8, 2025 · Jellyfish, ocean drifters without brains or bones, have lived for millions of years. Find out how they sting, feed, and glow underwater.

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

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

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

Jellyfish come in a huge variety of shapes and sizes. Read on to learn more about the diversity of these creatures, from siphonophores to box jellies; Scyphozoa to Staurozoa. All jellyfish are...

Sep 6, 2025 · Discover all TYPES OF JELLYFISH, their names, characteristics, the biggest as well as all immortal jellyfish. For more jellyfish facts and examples, read here at AnimalWised.