Agetus limbatus
Brady (1883)
Taxonomy
Phylum |
Arthropoda |
Subphylum |
Crustacea |
Class |
Maxillopoda |
Subclass |
Copepoda |
Order |
Cyclopoida |
Family |
Corycaeidae |
Genus |
Agetus |
Species |
limbatus |
Size
- Female: 1.24 - 1.64 mm
- Male: 1.08 - 1.67 mm
Distinguishing characters
- Proportional length of urosome somites and caudal rami
- Female genital somite rhomboidal in shape
Male
- Cephalosome <2 times as long as wide
- Large cuticular lenses contiguous
- The urosome somites and caudal rami in the proportional lengths 52:17:29
- Genital somite about 1.6 times as long as wide
- Anal somite 1.5 times as long as wide and ¾ as long as caudal rami
Female
- 1-segmented urosome is 2 times as long as caudal rami
- Genital somite rhomboidal in dorsal view
Distribution
- Epipelagic ¨C mesopelagic
- Coastal and oceanic
- Tropical and subtropical in the Atlantic and Pacific
Ecology
- Visual predators using raptorial appendages to capture small prey
- Prefers water temperatures below 15°C
- Often co-occurs with A. flaccus
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.
- Dahl, M. (1912). Die Copepoden der Plankton-Expedition. I. Die Corycaeinen. Mit Berucksichtigung aller bekannten Arten bearb. (Ergebnisse der Plankton-Exp. Bd II. G. f. 1.). Pages: (iv + 136) ¡¡
- Tanaka, O. (1957[1959]). On copepoda of the family Corycaeidae in Japanese waters 1957. Contx Dep Fish Kyushu Univ 3¡¡