mud puppy vs Ambystoma mexicanum

mud puppy and Ambystoma mexicanum both are nouns.

Word	Noun	Adjective	Verb	Adverb
mud puppy	Yes	No	No	No
Ambystoma mexicanum	Yes	No	No	No

As nouns, mud puppy and Ambystoma mexicanum are synonyms defined as:

mud puppy and Ambystoma mexicanum: larval salamander of mountain lakes of Mexico that usually lives without metamorphosing

Other synonyms of mud puppy include axolotl.

mud puppy (noun)	Ambystoma mexicanum (noun)
aquatic North American salamander with red feathery external gills	larval salamander of mountain lakes of Mexico that usually lives without metamorphosing
larval salamander of mountain lakes of Mexico that usually lives without metamorphosing
large salamander of North American rivers and streams