Farranula concinna
Dana (1853)
Download a fact sheet for Farranula concinna (PDF 347KB)
Taxonomy
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Maxillopoda |
| Subclass | Copepoda |
| Order | Cyclopoida |
| Family | Corycaeidae |
| Genus | Farranula |
| Species | concinna |
Size
- Female: 0.79 – 1.04 mm
- Male: 0.73 – 0.90 mm
Distinguishing characteristics
- Cuticular lenses
- Genital somite form
Male
- Very difficult to identify
- Similar to F.gibbula but smaller in size
Female
- 2 plumose or spiny setae at base of A2
- Prosome 2 segmented
- Prosome 2 times as long as urosome
- Prosome points < half genital somite
- Beak like keel on ventral surface
- P4 with no trace of endopod, 1 naked seta at the base
- Urosome 1 segmented
- Urosome 3 times longer than caudal rami
- In lateral view, female genital somite with anterior thickened part longer than narrow posterior section
- In lateral view, dorsal and ventral margins of the genital somite appear almost parallel in part before tapering, similar to F.gibbula which has an irregularly humpbacked genital somite
- Setae on antero ventral part of genital somite
- Caudal rami 3 times longer than wide
Distribution
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.
- Farran, G. P. (1911). "Plankton from Christmas Island, Indian Ocean. I. On Copepoda of the Family Corycaeidae." London Proc. Zool. Soc. 1911: (282-296).
- Tanaka, O. (1957). "On copepoda of the family Corycaeidae in Japanese waters." Journal of the Faculty of Agriculture, Kyushu University 11(1): 77-97.