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jellyfish    音标拼音: [dʒ'ɛlif,ɪʃ]
n. 水母,海蜇,意志薄弱的人

水母,海蜇,意志薄弱的人

jellyfish
n 1: large siphonophore having a bladderlike float and stinging
tentacles [synonym: {Portuguese man-of-war}, {man-of-war},
{jellyfish}]
2: any of numerous usually marine and free-swimming
coelenterates that constitute the sexually reproductive forms
of hydrozoans and scyphozoans

Jellyfish \Jel"ly*fish`\, n. (Zool.)
Any one of the acalephs, esp. one of the larger species,
having a jellylike appearance. See {Medusa} and {acaleph}.
[1913 Webster]

50 Moby Thesaurus words for "jellyfish":
Chilopoda, Chordata, Echiuroidea, Ectoprocta, Entoprocta,
Milquetoast, Monoplacophora, Nemertinea, Phoronidea, baby,
big baby, chicken, chicken liver, coward, crybaby, doormat,
dull tool, fence-sitter, fraid-cat, fraidy-cat, funk, funker,
gutless wonder, invertebrate, lightweight, lily liver, meek soul,
milksop, mollycoddle, mouse, mugwump, namby-pamby, nebbish,
nonentity, pansy, pantywaist, pushover, sad sack, scaredy-cat,
shilly-shally, sissy, softling, softy, sop, waverer, weak sister,
weakling, white feather, white liver, wobbler

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  • Jellyfish - Wikipedia
    Jellyfish are mainly free-swimming marine animals, although a few are anchored to the seabed by stalks rather than being motile They are made of an umbrella-shaped main body made of mesoglea, known as the bell, and a collection of trailing tentacles on the underside
  • Jellyfish | Characteristics, Habitat, Diet, Anatomy, Facts | Britannica
    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 facts and photos | National Geographic Kids
    But despite their name, jellyfish aren't actually fish—they're invertebrates, or animals with no backbones Jellyfish have tiny stinging cells in their tentacles to stun or paralyze their prey
  • Jellyfish: The smart stinging creatures drifting through our oceans
    Discover facts about gelatinous jellyfish, including what they eat, how they move and the clever stinging adaptation that has helped them flourish for millions of years
  • Jellyfish - Types, Anatomy, Habitat, Diet, Lifespan, Life Cycle
    Jellyfish, often referred to as sea jellies or simply jellies, are predominantly marine cnidarians distinguished by their gelatinous, bell-shaped medusa form The bell is composed mainly of mesoglea, a translucent, jelly-like substance that is more than 95% water
  • 26 Different Types of Jellyfish in the Ocean - Aquarium Whisperer
    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 bell; some species are bioluminescent The Moon Jellyfish is a unique sea creature often seen in coastal waters worldwide
  • Everything You Need To Know About Jellyfish - animalko. com
    Imagine floating through the ocean without a brain, heart, or bones, yet surviving for over 650 million years! Jellyfish are some of the most fascinating creatures in our oceans, with their translucent bodies and graceful movements
  • 28 Types of Jellyfish (With Pictures) – Identification Guide
    Jellyfish, primarily from the phylum Cnidaria (classes Scyphozoa, Cubozoa, and Hydrozoa), are gelatinous, free-swimming marine animals known for their bell-shaped bodies and trailing tentacles armed with stinging cells (nematocysts)
  • Jellyfish Anatomy - Parts of a Jellyfish and Their Functions
    Jellyfish anatomy is fairly unique in the animal kingdom Although they share certain features with other cnidarians, there are parts of a jellyfish we cannot see outside of their phylum These include the main body which is an umbrella-shaped bell, the manubrium that connects the mouth with the gastric cavity and the tentacles used for defense and predation Another important factor is that
  • Jellyfish: Roles in Marine Ecosystems Climate Change Impact
    Jellyfish have been around for between 500 to 700 million years, making them the oldest multi-organ animal Their role in marine ecosystems is extremely important, as they are vastly considered keystone species in most oceanic food webs





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