About Porthidium nasutum (Bocourt, 1868)
Adults of this species are usually less than 40 centimeters (16 inches) in total length, and rarely grow to more than 60 centimeters (24 inches). Females are considerably larger than males. This species is moderately stout-bodied and terrestrial. Its geographic range extends from southern Mexico southward through Central America to western Colombia and northwestern Ecuador in South America. It inhabits the Atlantic lowlands from the Mexican states of Tabasco and Chiapas, through Belize, Guatemala, Honduras, Nicaragua and Costa Rica, to eastern Panama and northwestern Colombia. In the Pacific lowlands, it occurs in southwestern Costa Rica, central and eastern Panama, and continues onward to northwestern Ecuador. It is found in mesic lowland broadleaf forest or rainforest at elevations ranging from sea level to around 900 meters (3,000 feet). The given type locality is "Pansos [Panzós], sur les bords du Polochic [Alta Verapaz] (Guatémala)."
