Biology:Planaria torva

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Short description: Species of flatworms

Planaria torva
Planaria torva.jpg
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Platyhelminthes
Order: Tricladida
Family: Planariidae
Genus: Planaria
Species:
P. torva
Binomial name
Planaria torva
(OF Müller, 1773)
Synonyms
  • Fasciola torva OF Müller, 1773
  • Dendroplanaria torva Komárek, 1926
  • Planaria torfrida Perkins, 1928
  • Dugesia torva (Müller OF, 1773)

Planaria torva is a species of planarian in the family Planariidae.[1] When an individual is cut into pieces, each piece has the ability to regenerate into a fully formed individual.[2]

Diet

The food of P. torva consists of freshwater gastropods, tubificid worms, and freshwater arthropods, such as isopods of the genus Asellus and chironomid larvae, although it shows a clear preference for snails.[3] In the United Kingdom, P. torva is a successful predator of the invasive New Zealand mud snail (Potamopyrgus jenkinsi).[4]

References

  1. "WoRMS - World Register of Marine Species - Planaria torva (Müller OF, 1773)". https://www.marinespecies.org/aphia.php?p=taxdetails&id=416482. 
  2. "Unravelling How Planaria Regenerate". Sedeer el-Showk. http://www.nature.com/scitable/blog/accumulating-glitches/unravelling_regeneration_in_planaria. Retrieved 26 January 2017. 
  3. Reynoldson, T. B.; Sefton, A. D. (1976). "The food of Planaria torva (Müller) (Turbellaria-Tricladida), a laboratory and field study". Freshwater Biology 6 (4): 383–393. doi:10.1111/j.1365-2427.1976.tb01623.x. ISSN 0046-5070. 
  4. Reynoldson, T. B.; Piearce, Bronwen (1979). "Predation on snails by three species of triclad and its bearing on the distribution of Planaria torva in Britain". Journal of Zoology 189 (4): 459–484. doi:10.1111/j.1469-7998.1979.tb03974.x. ISSN 0952-8369. 

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