Centropages elegans
Giesbrecht (1895)
Dowlnoad a fact sheet for Centropages elegans (PDF 459KB)
Taxonomy
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Maxillopoda |
| Subclass | Copepoda |
| Order | Calanoida |
| Family | Centropagidae |
| Genus | Centropages |
| Species | elegans |
Size
- Female: 1.86 ¨C 2.14 mm
- Male: 1.84 ¨C 2.05 mm
Distinguishing characteristics
- P5 form
- Female: knoblike protrusion at anterior prosome and semicircle projection on dorsal cephalosome
Male
- Cephalosome and prosome somite 1 incompletely separated
- Left A1 extends past caudal rami by last 2 segments
- Right A1 geniculate at segments 18 & 19, acute teeth on segments 17 ¨C 19
- P5 right exopod, segment 2 extends internally into a long bluntly rounded extension, exopod segment 3 in the form of a much longer tapering spine.
- P5 left exopod, 2 segmented, exopod segments 2 & 3 bearing 2 spines which do not taper much and densely pitted tips
Female
- Cephalosome and prosome somite 1 incompletely separated
- A1 extends beyond caudal rami by last 5 segments
- Posterior margins of prosome rounded
- P5 exopod segment 1 has a round projection on inner margin, exopod segment 2 with a strong spiniform projection directed distally, with distal inner margin hairs
- Genital somite symmetrical, wider than long with a posterodorsal row of spinules
- Urosome somite 2 has a ventral knoblike projection and 2 posterodorsal rows of spinules
- Caudal rami long and symmetrical
Distribution
- Epipelagic
- Coastal
- Tropical
- Pacific Ocean
Ecology
- Little is known about the ecology of this species
References
- Boxshall, G. A. and S. H. Halsey (2004). "An introduction to copepod diversity." Ray Society Publications 166: i-xv, 1-966.
- Bradford-Grieve, J. M., (1999). The marine fauna of New Zealand: pelagic calanoid copepoda: Bathypontiidae, Arietellidae, Augaptilidae, Heterorhabdidae, Lucicutiidae, Metridinidae, Phyllopodidae, Centropagidae, Pseudodiaptomidae, Temoridae, Candaciidae, Pontellidae, Sulcanidae, Acartiidae, Tortanidae. National Institute of Water and Atmospheric Research, Wellington, New Zealand.
- Conway DVP, White, R.G., Hugues-Dit-Ciles, J., Gallienne, C.P. and Robins, D.B. (2003). Guide to the coastal and surface zooplankton of the south-western Indian Ocean, Vol Occasional Publications No. 15. Marine Biological Association of the United Kingdom.
- Park T.S., (1968). Calanoid copepods from the Central North Pacific Ocean. Fishery Bull. Fish Wildl. Serv. U.S., 66 (3): 527-572.
- Razouls C., de Bovée F., Kouwenberg J. et Desreumaux N., 2005-2009. Diversity and Geographic Distribution of Marine Planktonic Copepods. Available at http://copepodes.obs-banyuls.fr/en