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Jun 20, 2024 · 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 (approximately 20 species). Learn more about the characteristics and natural history of jellyfish in this article.
Jellyfish, also known as sea jellies, are the medusa-phase of certain gelatinous members of the subphylum Medusozoa, which is a major part of the phylum Cnidaria. Jellyfish are mainly free-swimming marine animals with umbrella-shaped bells and trailing tentacles, although a
Jellyfish facts for kids: learn all about these incredible invertebrates, with facts about jellyfish size, habitat characteristics, behaviour and diet.
Everything you should know about the Jellyfish. Jellyfish have a rounded bell with a mouth on the underside, short tentacles and longer stinging arms.
Dec 13, 2019 · Common Name: Jellyfish, jellies. Basic Animal Group: Invertebrate. Size: Bell diameter of two-tenths of an inch to over six and a half feet. Weight: Under an ounce to 440 pounds. Lifespan: Vary between a few hours to a few years. Diet: Carnivore, Herbivore. Habitat: Oceans throughout the world. Population: Unknown.
Dec 3, 2020 · Jellyfish, also known as jellies, are fascinating animals that spend their lives floating in the oceans. Unlike their name suggest, jellyfish are not really fish as they lack a backbone. In fact, these animals are actually invertebrates and they are more closely related to corals, sea anemones, and sea whips than fish.
Jellyfish are invertebrates – animals that don’t have a backbone – and belong to a group called Cnidaria. Some of their closest relatives include colourful corals and anemones. “Jellyfish are gelatinous and jelly-like,” explains Miranda Lowe CBE, our Principal Curator of Crustacea and Cnidaria.
Feb 27, 2024 · The name “jellyfish” generically refers to over 2,000 diverse gelatinous marine species under this ancient animal lineage sharing common traits like stinging cells and two-part life cycles. Despite the name evoking fish, jellyfish are not vertebrates at all.
Oct 29, 2009 · Jellyfish. Jellyfish aren’t fish but invertebrates, animals that lack backbones and even brains. Yet 30,000-odd species do far more than survive—they thrive in ocean waters the world over.
Jellyfish Characteristics. Jellyfish are marine invertebrates belonging to the Scyphozoan class, and in turn the phylum Cnidaria. The body of an adult jellyfish is composed of a bell-shaped, jellylike substance enclosing its internal structure, from which the creatures tentacles suspend.
