Tropidonophis dahliiTropidonophis dahlii, also known commonly as the New Britain keelback, is a species of snake in the subfamily Natricinae of the family Colubridae. The species is native to Indonesia and Papua New Guinea.EtymologyThe specific name, dahlii, is in honor of German zoologist Karl Theodor [Friedrich Dahl].HabitatThe preferred natural habitat of Tropidonophis dahlii is forest near streams, at altitudes of.ReproductionTropidonophis dahlii is oviparous.