Stylocheiron longicorne
Distribution:
Occurs in the Pacific, Indian and Atlantic oceans.
Habitat:
Most of the population occur below 140 m both day and night.
Size:
7 - 12 mm
Diet:
Microplankton, detritus.
Predators:
Consumed by fish.
Useful Facts or Characters:
The eyes of the adults are bilobed, the upper lobe has 7-19 enlarged crystalline cones. The third thoracic leg is elongated and bears a false chela.
Natural History:
There are different forms of this species, associated with separate geographical distributions.
References:
http://species-identification.org/species.php?species_group=euphausiids&...
Brinton, E. (1962) The distribution of Pacific euphausiids. Bulletin of the Scripps Institution of Oceanography 8: 51-270.