Monocorycaeus robustus
Giesbrecht (1891)
Download a fact sheet for Monocorycaeus robustus (PDF 442KB)
Taxonomy
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Maxillopoda |
| Subclass | Copepoda |
| Order | Cyclopoida |
| Family | Corycaeidae |
| Genus | Monocorycaeus |
| Species | robustus |
Size
- Female: 2.00 - 2.40 mm
- Male: 1.60 - 2.40 mm
Distinguishing characters
- Large and robust
- 2 setae on antenna are of subequal length
- Female genital somite protrudes dorsally over the basis of the anal somite
- Caudal rami short and divergent
Male
- Genital somite large
- Anal somite short
- Caudal rami divergent and more than 2 times as long as anal somite
Female
- Large and robust
- Genital somite large and oval, 1.4 times as long as wide, tubuncle present on dorso lateral margin, posterior overlaps anal somite
- Anal somite very short
- Caudal rami 1.5x as long as anal somite and very divergent
Distribution
- Epipelagic
- Oceanic and coastal
- Atlantic and Pacific oceans
Ecology
References
- Bradford-Grieve, J. M., E. L. Markhaseva, et al. (1999). Copepoda. South Atlantic Zooplankton. D. Boltovskoy. Leiden, The Netherlands, Backhuys Publishers. 1: 869-1098.
- 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.