This species occurs in southeastern, southern and central Brazil; northern La Paz in Bolivia (one locality); southern and central oriental region of Paraguay; Uruguay; and northeastern Argentina (Buenos Aires, Corrientes, Chaco, Entre Ríos, Formosa, Misiones and Santa Fe). It occurs from 0-1,500m asl.
Habitat and Ecology
It occurs in open areas in grasslands and rushes, and communities of Eryngium sp., it also occurs in forests. During the spawning period it can be found at small permanent and temporary waterbodies, often at cattle ponds. The spawn are attached to aquatic vegetation. It appears to adapt well to anthropogenic disturbance.
It is a common species.
There are no threats to this species. Pollution of soil and water due to agricultural practices - industrial pollution (organic wastes) might be localized threats.
It occurs in several protected areas in Brazil and Argentina. Taxonomic work is required to resolve this species complex.
Red List Status
Least Concern (LC)
Listed as Least Concern in view of its wide distribution, tolerance of a broad range of habitats, presumed large population, and because it is unlikely to be declining to qualify for listing in a more threatened category.
It is probably a complex of more than one species.
Lucy Aquino, Axel Kwet, Débora Silvano, Esteban Lavilla, Diego Baldo 2010. Scinax squalirostris. The IUCN Red List of Threatened Species 2010: e.T55996A11396483. http://dx.doi.org/10.2305/IUCN.UK.2010-2.RLTS.T55996A11396483.en .Downloaded on 22 January 2019