A. macrodactylum is a member of the Ambystomatidae, also known as the mole salamanders.
Primarily nocturnal, the mole salamander is found in habitats of moist forest debris, usually near a permanent source of water.
In Indiana, the mole salamander is listed as an endangered species.
All mole salamanders are oviparous and lay large eggs in clumps in the water.
This is probably because tiger salamanders have the primitive morphology of mole salamanders.
They are also the largest of the mole salamanders, and have very large larvae.
Like most of the mole salamanders, it is secretive, spending most of its life under logs or in burrows.
The mole salamanders are part of the genus Ambystoma.
Like other mole salamanders, the Jefferson salamander burrows.
Ambystoma rivulare is a species of mole salamander in the Ambystomatidae family.