This will spawn along with regular claw vipers in the Claw Viper Temple. On Hell in Claw Viper Temple, Salamanders are immune to Cold. On Hell in Act V's Infernal Pits Salamander are immune to Fire and are able to cast something like shortened Inferno, but with increased range and damage, that kills 1500+ HP hirelings in 1-2 seconds.

Salamander attacking (character is frozen because this Salamander is minion)

Claw Viper
Tomb ViperClaw ViperSalamanderPit ViperSerpent Magus