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Copepod. Copepods (/ ˈkoʊpəpɒd /; meaning "oar-feet") are a group of small crustaceans found in nearly every freshwater and saltwater habitat. Some species are planktonic (living in the water column), some are benthic (living on the sediments), several species have parasitic phases, and some continental species may live in limnoterrestrial ...
Description. Calanoids can be distinguished from other planktonic copepods by having first antennae at least half the length of the body and biramous second antennae. [ 2 ] However, their most distinctive anatomical trait is the presence of a joint between the fifth and sixth body segments. [ 3 ] The largest specimens reach 18 millimetres (0.71 ...
Cyclops is one of the most common genera of freshwater copepods, comprising over 400 species. [1] [2] Together with other similar-sized non-copepod fresh-water crustaceans, especially cladocera, they are commonly called water fleas.
Description. Neocalanus plumchrus is considered a large copepod, [3] with females generally ranging from about 4 to 6.3 millimetres (0.16 to 0.25 in) in length. The males are usually between about 4.2 and 5 millimetres (0.17 and 0.20 in) in length. [4] Stage V copepodites usually are more than 4.3 millimetres (0.17 in) in length. [5]
The Cyclopoida are an order of small crustaceans from the subclass Copepoda. Like many other copepods, members of Cyclopoida are small, planktonic animals living both in the sea and in freshwater habitats. They are capable of rapid movement. Their larval development is metamorphic, and the embryos are carried in paired or single sacs attached ...
Harpacticoida is an order of copepods, in the subphylum Crustacea.This order comprises 463 genera and about 3,000 species; its members are benthic copepods found throughout the world in the marine environment (most families) and in fresh water (essentially the Ameiridae, Parastenocarididae and the Canthocamptidae).
Tigriopus is a genus of copepods in the family Harpacticidae, containing the following species: [1] Tigriopus angulatus Lang, 1933. Tigriopus brachydactylus Candeias, 1959. Tigriopus brevicornis (O. F. Müller, 1776) Tigriopus californicus (Baker, 1912) Tigriopus crozettensis Soyer et al., 1987. Tigriopus igai Itô, 1977.
Synonyms [3] Diacyclops bicuspidatus (Claus, 1857) Cyclops bicuspidatus is a planktonic species of copepod found throughout the world, except Australia, [4] and characteristic of the Great Lakes of North America. [5] It is a deep water species found throughout the year with peak abundance occurring in May or June. [5]
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