Subeucalanus longiceps
Matthews (1925)
Download a fact sheet for Subeucalanus longiceps (PDF 349KB)
Taxonomy
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Maxillopoda |
| Subclass | Copepoda |
| Order | Calanoida |
| Family | Subeucalanidae |
| Genus | Subeucalanus |
| Species | longiceps |
Size
- Female: 4.20 - 4.90 mm
- Male: 3.20 - 8.80 mm
Distinguishing characteristics
- Female with pointed cephalosome
- Large species of Subeucalanus
Male
- Secondary sexual characters not distinct
- Males of the genus poorly known and morphology highly variable
- Anterior head rounded
- Left leg 3 extends to the posterior border of the urosome
- Terminal seta about the same length as the terminal segment
Female
- Anterior head triangulated and elongated
- A2 endopod segment 1 shorter than endopod segment 2 and about 2 times as long as wide
- Basis of mandibular palp with 3 setae, endopod does not reach the distal border of basis, endopod segment 1 with 2 setae, endopod segment 2 with 3 setae
- Maxillule basal endite 2 with 5 setae
- Genital segment slightly wider than longer
- Caudal rami slightly asymmetrical
Distribution
- Boreal-temperate
- Circumglobal
- Southern hemisphere West wind drift system
Mostly epipelagic
Ecology
References
- Bradford-Grieve J., (1994). The marine fauna of New Zealand: Pelagic calanoid copopoda: Megacalanidae, Calanidae, Paracalanidae, Mecynoceridae, Eucalanidae, Spinocalanidae, Clausocalanidae. New Zealand Oceanographic Memoir 102.
- Bradford-Grieve, J. M., E. L. Markhaseva, et al. (1999). Copepoda. South Atlantic Zooplankton. D. Boltovskoy. Leiden, The Netherlands, Backhuys Publishers. 1: 869-1098.@