Kassina fusca
Kassina fusca | |
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Scientific classification ![]() | |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Amphibia |
Order: | Anura |
Family: | Hyperoliidae |
Genus: | Kassina |
Species: | K. fusca
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Binomial name | |
Kassina fusca Schiøtz , 1967
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Kassina fusca is a species of frog in the family Hyperoliidae.[1][2][3][4] Its common name is brown running frog or pale running frog.[1][2][3] It is found in the West African savanna zone in Senegal, Gambia, Guinea, Mali, Burkina Faso, Ivory Coast, Ghana, Togo, Benin, Niger, and Nigeria.[1][2] It probably occurs in Guinea-Bissau, although there are no records from there.[2]
Description
Kassina fusca is a terrestrial frogs that moves by walking rather than jumping. They are small frogs measuring 29–33 mm (1.1–1.3 in) in snout–vent length. The dorsum is brown with scattered small darker spots (sometimes indistinct) and a larger, irregular, X-shaped spot in the shoulder region. There are small discs on the fingers.[4]
Association with ants
Kassina fusca have been found in nests of pomerine ants Paltothyreus tarsatus and Megaponera analis. These ants are large (up to 18 and 25 mm in body length, respectively) and have powerful mandibles, poison glands, and stings, and would be able to kill the frog. Yet experiments showed that they were never seriously attacked by Paltothyreus tarsatus. This is possible because of chemical components of the frogs' skin,[5] offering the frog a degree of "chemical camouflage".[6] The benefit of this association is that the ant nests provide Kassina fusca hiding places that remain moist during the dry season; such places are in short supply in the savanna and tend to be occupied by ants.[5] Another species showing a similar association is Phrynomantis microps.[5][6]
Habitat and conservation
Kassina fusca occurs in dry savanna and savanna woodlands. Breeding takes in temporary water, preferably large, well-vegetated, shallow pools. It is very common where it has been found, but the known distribution is patchy; it is often overlooked. It is believed to be an adaptable species that is not facing significant threats. It occurs in some protected areas,[1] including the Comoé National Park.[5]
References
- ^ a b c d e IUCN SSC Amphibian Specialist Group (2013). "Kassina fusca". IUCN Red List of Threatened Species. 2013: e.T56228A18385306. doi:10.2305/IUCN.UK.2013-2.RLTS.T56228A18385306.en. Retrieved 17 November 2021.
- ^ a b c d Frost, Darrel R. (2016). "Kassina fusca Schiøtz, 1967". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 16 November 2016.
- ^ a b "Kassina fusca Schiøtz, 1967". African Amphibians. Retrieved 16 November 2016.
- ^ a b "Kassina fusca". AmphibiaWeb: Information on amphibian biology and conservation. [web application]. Berkeley, California: AmphibiaWeb. 2016. Retrieved 17 November 2016.
- ^ a b c d Rödel, Mark-Oliver; Braun, Ulrich (1999). "Associations between anurans and ants in a West African savanna (Anura: Microhylidae, Hyperoliidae, and Hymenoptera: Formicidae)". Biotropica. 31 (1): 178–183. doi:10.2307/2663971. JSTOR 2663971.
- ^ a b Rödel, Mark-Oliver; Brede, Christian; Hirschfeld, Mareike; Schmitt, Thomas; Favreau, Philippe; Stöcklin, Reto; Wunder, Cora; Mebs, Dietrich; Pratt, Stephen C. (11 December 2013). "Chemical camouflage – a frog's strategy to co-exist with aggressive ants". PLOS ONE. 8 (12): e81950. Bibcode:2013PLoSO...881950R. doi:10.1371/journal.pone.0081950. PMC 3859521. PMID 24349157.
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- Kassina
- Amphibians of West Africa
- Amphibians described in 1967
- Taxa named by Arne Schiøtz
- Taxonomy articles created by Polbot