Serratosagitta bierii
Alvariño (1967)
Download a fact sheet for Serratosagitta bierii (PDF 399KB)
Taxonomy
| Phylum | Chaetognatha |
| Class | Sagittoidea |
| Order | Aphragmophora |
| Family | Sagittidae |
| Genus | Serratosagitta |
| Species | bierrii |
Size
- Maximum adult body length 19 mm, tail 22-29% of body
Distinguishing characteristics
- Serrated hooks 5-7
- Anterior@teeth 5-8, posterior@teeth 8-16
- Body firm, opaque
- Transversal@musculature@absent
- Head medium width
- Fin bridge@absent
- Anterior@and posterior fins@of medium length, fully rayed, rounded;
- Collarette@absent or short
- Gut@diverticula absent
- Small eyes with T-shaped pigment spot
- Seminal vesicles with@knob@and trunk, close to or touching posterior@fins
- Ovaries medium length, extend to@ventral ganglion
- Ova@large
- Adhesive@papillae@and adhesive organs absent
Distribution
Ecology
References
- Conway, D. V. P., 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, Marine Biological Association of the United Kingdom
- Marine Species Identification Portal 201 http://species-identification.org/index.php