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Physalaemus albonotatus (common name: menwig frog) is a species of frog in the Leptodactylidae family. It is found in Brazil (Mato Grosso and Mato Grosso do Sul states), Paraguay, and Chacoan Argentina and Bolivia.
Physalaemus albonotatus occurs on the ground near semi-permanent or temporary water bodies or flooded grasslands, its breeding habitat; it also breeds in temperate ponds and roadside ditches. It adapts very well to human disturbance and is in no way threatened.
A study in Bodoquena (in the Mato Grosso do Sul state of southwestern Brazil) found Physalaemus albonotatus to be a continuous breeder, breeding throughout the wet season. Males called for females from the margins of ponds and flooded area, hiding in vegetation or in small depressions such as footprints. Mean clutch size was about 1500 eggs. Females were similar in size to males; females had a mean snout–vent length of 30.2 mm (1.19 in) (range 26–34 mm) and mean body mass of 2.2 g. The same measurements were 29.7 mm (1.17 in) (range 27–32 mm) and 2.4 g for males. Ovaries made about 27% of female body mass; fecundity increased with the female body size.
- Aquino, L., Reichle, S., Silvano, D. & Langone, J. (2004). "Physalaemus albonotatus". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 16 June 2014.
- Frost, Darrel R. (2014). "Physalaemus albonotatus (Steindachner, 1864)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 16 June 2014.
- Rodrigues, Domingos de J.; Masao Uetanabaro; Frederico S. Lopes (2004). "Reproductive strategies of Physalaemus nattereri (Steindachner, 1863) and P. albonotatus (Steindachner, 1864) at Serra da Bodoquena, State of Mato Grosso do Sul, Brazil". Revista Española de Herpetología 18: 63–73.