''Scinax alter'', the Crubixa snouted treefrog, is a species of

frog A frog is any member of a diverse and largely carnivorous group of short-bodied, tailless amphibians composing the order Anura (ανοὐρά, literally ''without tail'' in Ancient Greek). The oldest fossil "proto-frog" ''Triadobatrachus'' is ...

in the family

Hylidae Hylidae is a wide-ranging family of frogs commonly referred to as "tree frogs and their allies". However, the hylids include a diversity of frog species, many of which do not live in trees, but are terrestrial or semiaquatic. Taxonomy and ...

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found else ...

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

Appearance

The adult male frog measures 22.5 to 31.1 mm long in snout-vent length and the adult female frog 23.9–31.0 mm. Scientists distinguish this frog from related species by the bright white stripes, lined with dark brown, down the sides of its body. It also has a dark brown intraorbital blotch in the shape of an inverted triangle. It has small dark brown rostral stripes in front of its eyes. The insides of its back legs are lighter brown. The belly is yellow-brown. It has a slender body and protuberant eyes. It has vomerine teeth in its jaw. The tadpole is 22.9 to 32.0 mm long, with the tail.

Habitat

Its natural

habitat In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...

s are subtropical or tropical moist shrubland, subtropical or tropical seasonally wet or flooded lowland

grassland A grassland is an area where the vegetation is dominated by grasses ( Poaceae). However, sedge ( Cyperaceae) and rush ( Juncaceae) can also be found along with variable proportions of legumes, like clover, and other herbs. Grasslands occur na ...

, swamps, intermittent freshwater

lake A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much large ...

s, freshwater

marsh A marsh is a wetland that is dominated by herbaceous rather than woody plant species.Keddy, P.A. 2010. Wetland Ecology: Principles and Conservation (2nd edition). Cambridge University Press, Cambridge, UK. 497 p Marshes can often be found a ...

es, intermittent freshwater marshes, pastureland, and

pond A pond is an area filled with water, either natural or artificial, that is smaller than a lake. Defining them to be less than in area, less than deep, and with less than 30% emergent vegetation helps in distinguishing their ecology from ...

s. Most of these frogs live along the Atlantic ocean in the east. Some of them live further away from the ocean in the Rio Doce valley in

Minas Gerais Minas Gerais () is a state in Southeastern Brazil. It ranks as the second most populous, the third by gross domestic product (GDP), and the fourth largest by area in the country. The state's capital and largest city, Belo Horizonte (literally ...

. Others live higher up in the hills in

Espírito Santo Espírito Santo (, , ; ) is a state in southeastern Brazil. Its capital is Vitória, and its largest city is Serra. With an extensive coastline, the state hosts some of the country's main ports, and its beaches are significant tourist attra ...

. They have been seen on arbustive plants near ponds in the edges of forests or open areas. They can live in habitats with sand dunes if there are tall enough plants growing in them. Scientists have noticed them both on the ground and in trees.

References

alter Endemic fauna of Brazil Amphibians described in 1973 Taxonomy articles created by Polbot {{Scinax-stub