It is endemic to the Iberian Peninsula which is in danger of disappearing due to pollution and eucalyptus forests.
It is a small animal that lives in wetlands and unpolluted order to survive, while the adult specimens prefer an activity mainly terrestrial. "It lives in mountainous areas along the rivers of flowing water with abundant vegetation on the banks and atmosphere saturated with moisture. The surrounding biotopes have also great importance for this species, conditioning sharply their movements and even their presence. They are typically composed of deciduous forests and marshes, where high humidity at ground level allows individuals to turn away tens of meters from the nearest water line. However, it is common to find specimens of this species along the waterways surrounding areas with very different, ranging from farmland to the cultivation of exotic forest. They avoid areas and limestone streams contaminated with high hardness" according to the data from online water site. One of its most curious is waiving their tail when threatened, a capability quite rare in amphibians. Another curious feature is that the mating season, males are distinguished from females by staining the front feet and swollen anus. Specimens have been found of semi-albino and albino. The Lusitanian salamander feeds on spiders and other small insects.