Akademik

1. aquatic North American salamander with red feathery external gills

2. large salamander of North American rivers and streams

3. larval salamander of mountain lakes of Mexico that usually lives without metamorphosing

a. : hellbender

b. : axolotl

c. : a member of the genus Necturus

mud puppy,

1. a large aquatic salamander of the Great Lakes, the Mississippi River, and the eastern United States as far south as Georgia, having bushy, external gills; water dog.

2. any one of various other salamanders, especially the hellbender.