Meaning : Aquatic North American salamander with red feathery external gills.
Synonyms : necturus maculosus
Meaning : Large salamander of North American rivers and streams.
Synonyms : cryptobranchus alleganiensis, hellbender
Meaning : Larval salamander of mountain lakes of Mexico that usually lives without metamorphosing.
Synonyms : ambystoma mexicanum, axolotl