Jellyfish - Wikipedia
WEBJellyfish, 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.
Your Top 10 Jellyfish Questions Answered - Ocean Conservancy
WEBNov 1, 2018 · Jellyfish are crucial to ocean health. They keep prey like zooplankton and small fish populations in check by paralyzing them with their tentacles and gobbling them up. Jellyfish also transport carbon to greater ocean depths, enhancing biodiversity and contributing to medical advances.
Jellyfish and Comb Jellies - Smithsonian Ocean
WEBJellyfish and comb jellies are gelatinous animals that drift through the ocean's water column around the world. They are both beautiful—the jellyfish with their pulsating bells and long, trailing tentacles, and the comb jellies with their paddling combs generating rainbow-like colors.
Jellyfish: The smart stinging creatures drifting through our oceans
WEBJellyfish are sometimes called sea jellies. They belong to a group called Medusozoa which is divided into four classes: Hydrozoa, Scyphozoa, Cubozoa and Staurozoa. Comb jellies are also sometimes included in the broad sea jellies category.
Jellyfish | Characteristics, Habitat, Diet, Anatomy, & Facts
WEBAug 16, 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.
See Iridescent Jellyfish and Glowing Wonders of the Sea in …
WEBJune 8, 2021. 3 min read. See Iridescent Jellyfish and Glowing Wonders of the Sea in World Oceans Day Photos. Mysterious creatures of the deep shine in images by marine biologist Alexander...
Jellyfish: The Next King of the Sea | Smithsonian
WEBJellyfish, such as these Northeast Pacific sea nettles in Monterey Bay Aquarium, are brainless, bloodless and mostly aimless. The animals evolved more than 500 million years ago. John Lee /...
Jellyfish - National Geographic
WEBOct 29, 2009 · A mosaic jellyfish floats serenely in the waters of the Coral Sea, about 100 nautical miles from Cairns, Australia. Jellyfish are ubiquitous in the Earth’s oceans. They can thrive in warm...
Jellyfish - Facts and Beyond - Biology Dictionary
WEBDec 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 facts and photos - National Geographic Kids
WEBJellyfish have drifted along on ocean currents for millions of years, even before dinosaurs lived on the Earth. The jellylike creatures pulse along on ocean currents and are abundant in cold and...
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