jellyfish

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Related to Sea jellies: Scyphomedusae

jel·ly·fish

(jel'ē-fish),
Marine coelenterates (class Hydrozoa) including some poisonous species, notably Physalia, the Portuguese man-of-war; toxin is injected into the skin by nematocysts on the tentacles, causing linear wheals.
Synonym(s): jelly (2)

jellyfish

(jĕl′ē-fĭsh′)
n. pl. jellyfish or jelly·fishes
a. Any of numerous usually free-swimming marine cnidarians of the class Scyphozoa, characteristically having a gelatinous, tentacled, often bell-shaped medusa stage as the dominant phase of its life cycle. Also called true jellyfish.
b. Any of various similar or related cnidarians.

jel·ly·fish

(jel'ē-fish)
Marine coelenterates, including some poisonous species; toxin is injected into the skin by nematocysts on the tentacles, causing linear wheals.

jellyfish

  1. any large medusa of the class Scyphozoa.
  2. the medusoid stages of any coelenterate.

jellyfish

members of the class of aquatic animals the Scyphozoa, the true jellyfishes, in the phylum Cnidaria. All possess cnidia or stings and are capable of causing stings to animals.
References in periodicals archive ?
There are also colourful fishes like the longfin bannerfish that looks like it has got two tails; the halfmoon angel with its golden yellow patch that stands against its neon blue colouring, and the magical sea jellies that seem to be just afloat in water.
Visitors will follow the giants and the incredible animals they encounter on their travels, including the great white shark, killer whale, sea jellies and humpback whale.
Through May 28, 2012, the Shedd Aquarium transports visitors to the beautiful and mysterious world of sea jellies.