Let’s take a look at the smallest amphibians in the world.
Amphiuma which is an amphibian of the amphiumidae family is one of the smallest amphibians in the world. Lengthwise, this amphibian is only 2 cm in length. Another amphibian which is just 2 cm in length is Minute Salamanders whose scientific name is Thorius and belongs to the Plethodontidae family.
Salamandridae is another very small amphibian which belongs to the family of the same name and is 7-30 cm in length. Alpine Newt, which is an amphibian belonging to the Salamandridae family is 9 cm in length and is thus one of the smallest know amphibians in the world.
The Japanese Fire Belly newt is also of the same family and is 9-14 cm in length, thus entering the list of the smallest amphibians.
Eastern Newt belongs to the family of Salamandridae and is of 12.7 cm in length. Eocaecilia Micropodia is another small amphibian which is 15 cm in length and is of the E.micropodia.
Mudpuppies are another smallest amphibian in the world which belongs to the Proteidae family and is of 28-40 cm in length. Pacific giant salamanders are of 30 cm in length whereas Mexican burrowing caecilian is 30-50 cm in length and these two are the last 2 on this list.