Males 31-37 mm, females 40-42 mm. Males have a yellow or cream dorsum and the belly is yellow to whitish. Females have brown to gray dorsums and cream bellies. Both sexes have dark-brown longitudinal spots on the dorsum and yellow to orange spots on a dark background in the inguinal region and thigh. The iris is bronze to gray.
Distribution and Habitat
Country distribution from AmphibiaWeb's database: Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Panama, Peru, Suriname, Trinidad and Tobago, Venezuela. Introduced: Martinique, Puerto Rico, Saint Lucia.
Common in open areas, borders and clearings throughout the Reserva Florestal Adolpho Ducke in Brazil.
Life History, Abundance, Activity, and Special Behaviors
The species is arboreal, nocturnal and frequently observed in disturbed areas. Reproduction occurs throughout the year, with a peak in the rainy season (November to May). The males call from branches at the edge of or over water. Egg clutches contain about 590 eggs that adhere to vegetation on edges of temporary ponds. Tadpoles fall into ponds at hatching. The tadpoles are whitish and occur dispersed in the water column.
Similar species: Scinax boesemani differs in not having yellow or orange spots in the inguinal region and thighs, and in having a brown dorsum.
Originally submitted by: Albertina P. Lima, William E. Magnusson, Marcelo Menin, Luciana K. Erdtmann, Domingos J. Rodrigues, Claudia Keller, Walter Hödl (first posted 2007-11-27)
Species Account Citation: AmphibiaWeb 2007 Scinax ruber: Common Snouted Treefrog <https://amphibiaweb.org/species/1083> University of California, Berkeley, CA, USA. Accessed Aug 18, 2022.
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Citation: AmphibiaWeb. 2022. <https://amphibiaweb.org> University of California, Berkeley, CA, USA. Accessed 18 Aug 2022.
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