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 …

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 …

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...

Mar 6, 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 …

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 …

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 …

Jellyfish are gelatinous aquatic animals belonging to the subphylum Medusozoa. These free-swimming invertebrates evolved around 500 million years ago and have been roaming the …

Sep 24, 2024 · Discover the fascinating world of jellyfish—scientific classification, habitat, diet, reproduction, predators, and their impact on humans and the environment.

Sep 7, 2022 · Along with sharks, jellyfish have received a bad reputation in culture as something to fear in the ocean. Yet, upon looking past their stinging tentacles, jellyfish are one of the …