Serratosagitta bierii
Distribution:
Eastern Pacific Ocean.
Habitat:
Epipelagic.
Size:
14-19 mm
Diet:
Small crustaceans such as copepods.
Useful Facts or Characters:
The body is rigid and slender, transparent; with small head; two pairs of fins; eye pigment forms a kidney-shaped body; collarette is small. They are hermaphrodites, each bearing paired ovaries and testes.
References:
http://academic.evergreen.edu/t/thuesene/chaetognaths/eastpacchaets.htm
Alvarino, A. (1961) Two new chaetognaths from the Pacific. Pacific Science 15: 67-77.