Marsh frog

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Marsh frog
Pelophylax ridibundus JdP 2013-06-16.jpg
A marsh frog on a white water-lily (Nymphaea alba) pad
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Amphibia
Order: Anura
Family: Ranidae
Genus: Pelophylax
Species: P. ridibundus
Binomial name
Pelophylax ridibundus
(Pallas, 1771)

Rana ridibunda Pallas, 1771[2]

The marsh frog (Pelophylax ridibundus) is the largest frog native to Europe and belongs to the family of true frogs. It is very similar in appearance to the closely related edible frog and pool frog. These three species, now again in the genus Pelophylax, are often referred to as "green frogs" to distinguish them from the more terrestrial European Rana species, which are known as "brown frogs" (best exemplified by the common frog Rana temporaria).


The marsh frog is a water-dwelling, generally green-colored frog species. It can reach a maximum length of 17 centimetres, but males remain smaller (around 12 cm). The head is proportionally large and the hind legs are long, which gives them excellent jumping abilities.

There is a large variation in colour and pattern, ranging from dark green to brown or grey, sometimes with some lighter green lines; a lighter line on the back is generally present. The Western European populations are generally dark green to black with dark spots on the back and sides and three clear green lines on the back.


There are known three hybridogenetic hybrids of the marsh frog:

Their populations are maintained however through other crossings by hybridogenesis.[4]


The diet of the marsh frog consists of dragonflies and other insects, spiders, earthworms, and slugs. Larger frogs also eat small rodents and sometimes smaller amphibians and fish.


Marsh frog

The marsh frog occurs in the largest part of Europe, and in Asia east to ca. 81° E in Asiatic Russia, south to western Iran and Afghanistan, as well as isolated populations in Saudi Arabia.[2] They prefer a water temperature of approximately 15 °C.

It is now distinguished from Pelophylax kurtmuelleri (Balkan frog), which it resembles greatly, and which outnumbers it in most of Greece.

See also


  1. Sergius Kuzmin, David Tarkhnishvili, Vladimir Ishchenko, Tatjana Dujsebayeva, Boris Tuniyev, Theodore Papenfuss, Trevor Beebee, Ismail H. Ugurtas, Max Sparreboom, Nasrullah Rastegar-Pouyani, Ahmad Mohammed Mousa Disi, Steven Anderson, Mathieu Denoël, Franco Andreone (2009). "Pelophylax ridibundus". IUCN Red List of Threatened Species. Version 2013.1. International Union for Conservation of Nature. Retrieved 24 July 2013.CS1 maint: multiple names: authors list (link) CS1 maint: ref=harv (link)<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  2. 2.0 2.1 Frost, Darrel R. (2013). "Pelophylax ridibundus (Pallas, 1771)". Amphibian Species of the World 5.6, an Online Reference. American Museum of Natural History. Retrieved 24 July 2013.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  3. Berger, L. (1970). "Some characteristics of the crossess within Rana esculenta complex in postlarval development". Ann. Zool. 27: 374–416.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  4. 4.0 4.1 4.2 Holsbeek, G.; Jooris, R. (2010). "Potential impact of genome exclusion by alien species in the hybridogenetic water frogs (Pelophylax esculentus complex)" (PDF). Biol Invasions. Springer Netherlands. 12: 1–13. doi:10.1007/s10530-009-9427-2. ISSN 1387-3547. Retrieved 2015-06-19.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>

External links

Listen to Pelophylax ridibundus call sound