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Paracalanus parvus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Copepoda
Order:	Calanoida
Family:	Paracalanidae
Genus:	Paracalanus
Species:	P. parvus
Binomial name
	Paracalanus parvus; (Claus, 1863)

Paracalanus parvus is a copepod found throughout the world, except the Arctic.

Description

The female P. parvus usually ranges from about 0.6 to 1.3 millimetres (0.024 to 0.051 in) in length, and the male is usually between about 0.5 and 1.4 millimetres (0.020 and 0.055 in) in length.^[1]

Distribution

Paracalanus parvus is nearly cosmopolitan, found in waters throughout the world, with the exception of the Arctic.^[1]

Ecology

Life cycle and reproduction

Paracalanus parvus breeds continuously,^[2] although its abundance and egg production rate vary seasonally,^[3] with it being abundant from April to December.^[4] Its egg production rate is positively correlated to temperature and concentrations of chlorophyll a.^[3]

References

^ ^a ^b Razouls C.; de Bovée F.; Kouwenberg J.; Desreumaux N. (2018). "Paracalanus parvus (Claus, 1863)". Diversity and Geographic Distribution of Marine Planktonic Copepods. Sorbonne Université, CNRS. Retrieved 5 August 2018.
^ Santhanam, Perumal; Jeyaraj, N.; Jothiraj, K. (2013). "Effect of temperature and algal food on egg production and hatching of copepod, Paracalanus parvus". Journal of Environmental Biology. 34 (2): 243–246.
^ ^a ^b Sun, X.H.; Sun, S.; Li, C.L.; Zhang, G.T. (2008). "Seasonal and spatial variation in abundance and egg production of Paracalanus parvus (Copepoda: Calanoida) in/out Jiaozhou Bay, China". Estuarine, Coastal and Shelf Science. 79 (4): 637–643. doi:10.1016/j.ecss.2008.06.004.
^ Digby, P. S. B. (1950). "The biology of the small planktonic copepods of Plymouth" (PDF). Journal of the Marine Biological Association of the United Kingdom. 29 (2): 393–438. doi:10.1017/S0025315400055442.