it has dark red external gills, and is about 10 inches long, four toes on front and back. brownish, greenish, with darker black/brown speckles. long tail that looks like its used to propel itself through the water.
larva found under a rock with an adult female and ~12 other larvae
The family Proteidae is a group of aquatic salamanders found today in the Balkan Peninsula and North America. The range of the genus Necturus runs from southern central Canada, through the midwestern United States, east to North Carolina and south to Georgia and Mississippi. The range of the olm, the only extant member of the genus Proteus, is limited to the Western Balkans.