1. Large salamander of North American rivers and streams
   "The mud puppy's flattened body helps it navigate in fast-flowing water";
   - hellbender, Cryptobranchus alleganiensis
    
2. Aquatic North American salamander with red feathery external gills
   "The mud puppy's bright red gills waved in the current";
   - Necturus maculosus
    
3. Larval salamander of mountain lakes of Mexico that usually lives without metamorphosing
   "The mud puppy retains its gills and aquatic lifestyle throughout its life";
   - axolotl, Ambystoma mexicanum

Derived forms: mud puppies

Type of: ambystomid, ambystomid salamander, salamander

Part of: Cryptobranchus, genus Cryptobranchus, genus Necturus, Necturus

Encyclopedia: Mud puppy