Panagrellus redivivus
| Panagrellus redivivus | |
|---|---|
 | |
| Observation of Panagrellus redivivus on a Zeiss microscope stage | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Nematoda |
| Class: | Secernentea |
| Order: | Rhabditida |
| Family: | Panagrolaimidae |
| Genus: | Panagrellus |
| Species: | P. redivivus |
| Binomial name | |
| Panagrellus redivivus L. | |
The free-living nematode Panagrellus redivivus (sour paste nematode) is known to many aquarium enthusiasts and fishkeepers as the microworm. It is a tiny roundworm used as the first food for minuscule newly hatched fish, such as the popular pet fish betta. The microworm is widely used in aquaculture as food for a variety of fish and crustacean species.
The microworm is about 50 micrometers in diameter and just over one millimeter in length, barely visible to the naked eye. It is easily cultured at home on a substrate of flour or porridge.[1]
The microworm has been used in genetic analysis studies, but not nearly as universally as its relative, Caenorhabditis elegans.
References
External links
Further reading
- Schlechtriem, C., M. Ricci, U. Focken and K. Becker. (2004). The suitability of the free-living nematode Panagrellus redivivus as live food for first-feeding fish larvae. Journal of Applied Ichthyology 20(3): 161.
- Kovaleva, E.S. et al. (2003). Panagrellus redivivus as a molecular model for cyst nematodes. Journal of Nematology 35(3): 348.
- Sautter J., Kaiser H., Focken U.,Becker K. (2007) "Panagrellus redivivus (Linné) as a live food organism in the early rearing of the catfish Synodontis petricola (Matthes)" Aquaculture Research, 2007, 38 (6) : 653-659
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