Any one of several species of small aquatic salamanders. The common British species are the crested newt (Triton cristatus) and the smooth newt (Lophinus punctatus). In America, Diemictylus viridescens is one of the most abundant species.

small usually bright-colored semiaquatic salamanders of North America and Europe and northern Asia

a kind of salamander (family), and all salamanders are types of amphibians (class), which are all types of invertebrates (phylum)

an amphibian, a class whose living members have a well-defined aquatic, larval stage