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Events & Exhibitions TEST Exhibition Title: Jellyfish

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Aurelia aurita (also called the common jellyfish, moon jellyfish, moon jelly or saucer jelly) is a species of the genus Aurelia.

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The species Aurelia aurita is found in the North, Black, Baltic and Caspian Seas, Northeast Atlantic, Greenland, northeastern USA and Canada, Northwest Pacific and South America.

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    Moon Zappa
    Wednesday, November 2, 2022
    Unusual moon jellyfish (Aurelia aurita), about 6–7 cm (2.4–2.8 in) in diameter, with six gonads in Gullmarn fjord at Sämstad, Lysekil Municipality, Sweden. Below it is a tiny lion's mane jellyfish

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The jellyfish is almost entirely translucent, usually about 25–40 cm (10–16 in) in diameter, and it is capable of only limited motion, and drifts with the current, even when swimming.

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Jellyfish and sea jellies are the informal common names given to the medusa-phase of certain gelatinous members of the subphylum Medusozoa

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    Featured external content: The bell can pulsate to provide propulsion for highly efficient locomotion. The tentacles are armed with stinging cells and may be used to capture prey and defend against predators. Jellyfish have a complex life cycle; the medusa is normally the sexual phase, which produces planula larvae that disperse widely and enter a sedentary polyp phase before reaching sexual maturity.

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    Sea Nettle Jelly

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Given that jellyfish is a common name, its mapping to biological groups is inexact

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Stalked jellyfish are attached to a solid surface by a basal disk, and resemble a polyp, the oral end of which has partially developed into a medusa with tentacle-bearing lobes.

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    Jellyfish do not need a respiratory system
    because sufficient oxygen diffuses through the epidermis. They have limited control over their movement, but can navigate with the pulsations of the bell-like body
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    Box jellyfish eye
    The study of jellyfish eye evolution is an intermediary to a better understanding of how visual systems evolved on Earth.
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    Evolution

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    5678 Life cycle
    Upon reaching adult size, jellyfish spawn regularly if there is a sufficient supply of food. In most species, spawning is controlled by light, with all individuals spawning at about the same time of day.
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    two Swimming Jellies
    Using the moon jelly Aurelia aurita as an example, jellyfish have been shown to be the most energy efficient swimmers of all animals.
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    1 Singular Jelly
    Other species of jellyfish are among the most common and important jellyfish predators.

Media Gallery for the Workshop Exhibition

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Although most jellyfish live well off the ocean floor and form part of the plankton, a few species are closely associated with the bottom for much of their lives and can be considered benthic.

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Spotted jellies swimming in a Tokyo aquarium
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Color photogrpah of spotted jellies swimming in a Tokyo aquarium

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color photograph of neon jellyfish

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Fania Borach, known as Fanny Brice, was the child of Jewish immigrants who settled on New York's Lower East Side. She performed on stage with the Transatlantic Burlesquers.

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The stinging cells used by jellyfish to subdue their prey can injure humans. Thousands of swimmers worldwide are stung every year, with effects ranging from mild discomfort to serious injury or even death.

— Jelly

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Jellyfish and sea jellies are the informal common names given to the medusa-phase of certain gelatinous members of the subphylum Medusozoa, a major part of the phylum Cnidaria. Jellyfish are mainly free-swimming marine animals with umbrella-shaped bells and trailing tentacles, although a few are anchored to the seabed by stalks rather than being mobile. The bell can pulsate to provide propulsion for highly efficient locomotion. The tentacles are armed with stinging cells and may be used to capture prey and defend against predators. Jellyfish have a complex life cycle; the medusa is normally the sexual phase, which produces planula larvae that disperse widely and enter a sedentary polyp phase before reaching sexual maturity.

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 freshwater. Large, often colorful, jellyfish are common in coastal zones worldwide. The medusae of most species are fast-growing, and mature within a few months then die soon after breeding, but the polyp stage, attached to the seabed, may be much more long-lived. Jellyfish have been in existence for at least 500 million years,[1] and possibly 700 million years or more, making them the oldest multi-organ animal group.[2]

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Jellyfish are eaten by humans in certain cultures.
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Acknowledgements

Project Leads Ariane Bicho, Director of Library Communications and Marketing; Joshua Gomez, Head of Software Development and Library Systems Illustrations and Animation Brett Affrunti Feature Writer Cynthia Lee Contributing Writers Ben Alkaly, Courtney Hoffner, Jennifer Rhee Photo Editors Ben Alkaly, Jennifer Rhee Editorial and Research Contributors Suzy Lee, Marisa Soto Lead Developer Parinita Mulak Developers Jen Diamond, Casey Grzecka, Ashton Prigge, Andrew Wallace Lead UX Designer Axa Liauw UX Designer Dianne Weinthal Data Services Dana Peterman, Jack Schwada, Sharon Shafer Graphic Design Sean Deyoe Student Assistants Dana Binfet, Marley Rodriguez