Jellyfish are found all over the world, from surface waters to the deep sea. Scyphozoans (the "true jellyfish") are exclusively marine, but some hydrozoans with a similar appearance live in fresh water. …

Apr 25, 2025 · With over 2,000 species, they inhabit every ocean, from coastal shallows to the deep sea, playing critical roles in marine ecosystems as predators and prey. These creatures exhibit diverse …

Jellyfish are among the most ancient and fascinating marine creatures, ranging from deadly to completely harmless. Below you’ll find notable species and groups, each classified by their stinging …

Nov 8, 2025 · Jellyfish are believed to have originated during the Precambrian Era, when ecological and geological changes were taking place. These animals are classified in the class Scyphozoa and …

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 …

Aug 13, 2025 · Certain species, such as the moon jellyfish, are commonly seen near beaches, while deep-sea species like Deepstaria enigmatica are rarely observed. Their diet consists primarily of …

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 …

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.

Here are some of the commonly found types of jellyfish species: Size: Their size varies depending on the species, the smallest being the creeping jellyfish of the genera Eleutheria and Staurocladia, …