IUCN threat status:

Least Concern (LC)


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Range Description

This species is restricted to the Paraguay-Parana river drainages in Brazil (in the states of Mato Grosso, and Mato Grosso do Sul), Paraguay and Argentina (in Santa Fe, Chaco, Formosa, Corrientes, Jujuy, Salta, and Misiones). The species is known to be absent from the Paraguai river headwaters in Brazil as well as the adjacent plateaus (C. Nogueira pers. comm.). N. Scott (pers. comm.) suggests that the Jujuy population is quite isolated from the main population.

Records from the Tucuman province of Argentina need to be confirmed, and those from Peru most likely refer to a different species (Scott et al. 2006).


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© International Union for Conservation of Nature and Natural Resources

Source: IUCN

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