Porthidium nasutum

Inhabits the Atlantic lowlands from Mexico (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, continuing on to northwestern Ecuador.

It is found in mesic lowland broadleaf or rainforest from sea level to elevation of about 900 metres (3,000 ft).

The type locality given is "Pansos [Panzós], sur les bords du Polochic [Alta Verapaz] (Guatémala).

It is a widespread and moderately common species that is not facing major threats.

P. nasutum at Corcovado National Park in Costa Rica
P. nasutum at the La Selva Biological Station in Costa Rica