Jellyfish - Wikipedia
网页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 …
Jellyfish | Characteristics, Habitat, Diet, Anatomy, & Facts
网页2024年8月16日 · 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.
26 Different Types of Jellyfish in the Ocean - Aquarium Whisperer
网页2024年1月21日 · Contents show. 26 Types of Jellyfish Species. 1. Moon Jellyfish. The Moon Jellyfish is a unique sea creature often seen in coastal waters worldwide. Their name comes from the moon-like, translucent bell that can grow up …
Jellyfish and Comb Jellies - Smithsonian Ocean
网页Jellyfish 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 …
Jellyfish Facts! - National Geographic Kids
网页Jellyfish have been around for millions of years, even before dinosaurs lived on the Earth. Pulsing along on our ocean currents, these jelly-like creatures can be found in waters both cold and warm, deep and shallow and along coastlines, too. Some jellyfish are clear, but others are vibrant colours of pink, yellow, blue and purple.
Jellyfish: The smart stinging creatures drifting through our oceans
网页Jellyfish 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. But these animals aren’t cnidarians. Instead, they belong to group of organisms called Ctenophora. Scyphozoa.
Jellyfish - National Geographic
网页2009年10月29日 · 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...
Your Top 10 Jellyfish Questions Answered - Ocean Conservancy
网页2018年11月1日 · 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 101 | Nat Geo Wild - YouTube
网页How much do you really know about jellyfish? Given their diverse evolutionary history, jellies exhibit a fantastic range of shapes, sizes, and behaviors. Lea...
Jellyfish: Scary, Squishy, Brainless, Beautiful - National …
网页In the sea’s confusion of gelatinous animals, they are “true jellies”: members of the class we’re most likely to meet on beaches. Chrysaora fuscescens, up to 8 inches across. By Elizabeth...
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