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Crustacea

Crustacea

1 7.2
A group of mostly water animals with hard shells like crabs and lobsters
  • noun
  • /krʌˈsteɪʃə/
  • Specialized
: crustáceo
  • Many marine animals, such as fish and mollusks, depend on crustacea as a vital part of their diet.

And who knew that we'd get you erect just watching that, Watching a girl, you know, just face take a crustacean.

Examples

  • They eat smaller prey than most predators their size, including squid, crustaceans, and smaller fish species like mackerel.

  • Chitin from the skin of crustaceans is such a polymer, Cellulose from trees.

  • And some of them eat a lot of crustacea if they filter feed Sycamores.

  • So copepods belong to the class crustacea which come in two flavors, large and small.

  • And the way I think about this as a non zoologist is that crustacea come in two flavors, large and small.

  • Black men, free and slave, sat quietly on rocks coated with crustacea, in the odors of oil and fish, studying an evening sky as blue as the skin of heathen Lord Krishna.

    Fiction book (1998)
  • I am here to study brine shrimp, which are not closely related to true shrimp but instead are Branchiopoda, a specialized branch of Crustacea that also includes water fleas.

    Academic text (1994)
  • If any one of three major taxa—molluscs, polychaete worms, or crustacea—is reduced by more than 50 percent compared to numbers at remote reference stations, the farmer is required to come up with a plan to correct the problem.

    Academic text (2000)
  • It is also known for its mutagenic properties, concentrating in the bodies of fish and plankton-eating crustacea, affecting the fetal development of everything that ingests it.

  • In the tide pools, I observed many different types of crustacea, including barnacles and shrimp.

Synonyms

crustacean
vsCrustacea
  • Specialized
14 5.3

An animal with a hard outer shell, such as a crab or lobster

is the whole taxonomic class that contains many species of those aquatic arthropods

Surface Forms

Crustacea singular
Crustaceans plural

Etymology

Crustacea comes from the Latin word crusta meaning 'shell' and the scientific ending -acea meaning 'group', so the name points to animals with hard shells or outer plates. This helps explain why Crustacea includes shell-bearing sea animals like crabs, lobsters and shrimps.