Mesocyclops longisetus
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| Mesocyclops longisetus | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Copepoda |
| Order: | Cyclopoida |
| Family: | Cyclopidae |
| Genus: | Mesocyclops |
| Species: | M. longisetus |
| Binomial name | |
| Mesocyclops longisetus (Thiébaud, 1912)[1] | |
| Synonyms | |
| |
Mesocyclops longisetus is a species of freshwater copepod in the family Cyclopidae. Two subspecies are accepted, Mesocyclops longisetus curvatus Dussart, 1987, and Mesocyclops longisetus longisetus (Thiébaud, 1912).[1] It has a neotropical distribution.[2]
Like other copepods in the order Cyclopoida, these are small, planktonic, free-living animals. They are distinguished from closely related groups by having the first antenna shorter than the combined length of the head and thorax, the second antenna being unbranched.[3] The cephalothorax length of the adult female is 1 mm (0.04 in), and that of the male is 0.6 mm (0.024 in).[4]
Life cycle
The eggs take about 42 hours to hatch at 25°C and about 30 hours at 30°C. The average time for development through several nauplia larval stages is 22 days for females and 18 for males.[4]