copepod

American  

[koh-puh-pod] / ˈkoʊ pəˌpɒd /

noun

1. any of numerous tiny marine or freshwater crustaceans of the order (or subclass) Copepoda, lacking compound eyes or a carapace and usually having six pairs of limbs on the thorax, some abundant in plankton and others parasitic on fish.

---

copepod British  

/ ˈkəʊpɪˌpɒd /

noun

1. any minute free-living or parasitic crustacean of the subclass Copepoda of marine and fresh waters: an important constituent of plankton

---

adjective

1. of, relating to, or belonging to the Copepoda

copepod Scientific  

/ kō′pə-pŏd′ /

1. Any of various very small crustaceans of the subclass Copepoda, having an elongated body and a forked tail. Unlike most crustaceans, copepods lack a carapace over the back and do not have compound eyes. They are abundant in both salt and fresh water, and are an important food source for many water animals. Copepods include the water fleas.

---

Etymology

Origin of copepod

1830–40; < New Latin Copepoda name of the order < Greek kṓpē a handle, oar + -poda -poda

Example Sentences

Take the copepod, a type of zooplankton that is a distant relative of crabs and lobsters.

From BBC • Jul. 4, 2025

Calamus finmarchicus is the dominant copepod in the Gulf of Maine.

From Textbooks • Jun. 9, 2022

Through genetic studies and lab and field experiments, scientists recently established that such a clock does guide the daily cycles of some migrators, including the copepod Calanus finmarchicus and the Antarctic krill Euphausia superba.

From Scientific American • Dec. 6, 2021

The big question is what impact the copepod shortage will have on fish trying to survive their first winter, Duffy-Anderson says.

From Science Magazine • Jan. 31, 2019

The first included five Cypris; a large copepod and a Diaptomus; the second, four Cypris; the third, a single rather large crustacean; the fourth, six crustaceans; and the fifth, ten.

From Insectivorous Plants by Darwin, Charles