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, …

Oct 29, 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...

Jun 27, 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, with 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 and …

Sep 30, 2024 · Discover the fascinating world of jellyfish—scientific classification, habitat, diet, reproduction, predators, and their impact on humans and the environment.

Jan 21, 2024 · We’ve listed 26 types of jellyfish species and discussed their unique characteristics and specific behaviors. 1. Moon Jellyfish. Translucent with four horseshoe-shaped gonads visible in its …

Jun 16, 2024 · Lacking brains, blood, or even hearts, jellyfish are pretty simple critters. They are composed of three layers: an outer layer, called the epidermis; a middle layer made of a thick, …

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.