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Hydras vs Jellyfish - What's the difference?

hydras | jellyfish |

As nouns the difference between hydras and jellyfish

is that hydras is while jellyfish is (zoology) an almost transparent aquatic being; any one of the acalephs, especially one of the larger species, having a jellylike appearance.

hydras

English

Noun

(head)
    • ----

    jellyfish

    English

    Noun

  • (zoology) An almost transparent aquatic being; any one of the acalephs, especially one of the larger species, having a jellylike appearance.
  • # A cnidarian, a member of the phylum Cnidaria.
  • ## A scyphozoan, a member of the class Scyphozoa (the true jellies).
  • # A ctenophore, a member of the phylum Ctenophora (the comb jellies).

    • Usage notes

    Some writers prefer the term jelly, which does not imply that it is a type of fish.

    See also

    * medusa

    External links

    * (wikipedia)