What is this animal looking like an Axolotl?
Based on the size and location that appears to be a Common mudpuppy (Necturus maculosus). (Photo © Brian Gratwicke — CC BY)

The four toes visible on the front foot are also consistent with this identification.

This species is found throughout eastern North America and you can learn more about them from the Canadian herpetological society and iNaturalist.