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Webster 1913 Edition


Zoea


Zo′ë-a

,
Noun.
[NL., fr. Gr. [GREEK] life.]
(Zool.)
A peculiar larval stage of certain decapod Crustacea, especially of crabs and certain Anomura.
[Written also
zoaea
.]
☞ In this stage the anterior part of the body is relatively large, and usually bears three or four long spines. The years are conspicuous, and the antennae and jaws are long, fringed organs used in swimming. The thoracic legs are undeveloped or rudimentary, the abdomen long, slender, and often without appendages. The zoea, after casting its shell, changes to a megalops.

Definition 2024


zoëa

zoëa

See also: zoea

English

Zoëa of Gnathophausia

Alternative forms

Noun

zoëa (plural zoëae)

  1. (zoology) A peculiar larval stage of certain decapod crustaceans, especially of crabs and certain Anomura. Also called the copepod stage.

Usage notes

  • In this stage the anterior part of the body is relatively large, and usually bears three or four long spines. The years are conspicuous, and the antennæ and jaws are long, fringed organs used in swimming. The thoracic legs are undeveloped or rudimentary, the abdomen long, slender, and often without appendages. The zoëa, after casting its shell, changes to a megalops. This was originally thought to be a distinct genus.

References

  • zoëa in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
  • The Century Dictionary, The Century Co., New York, 1914