Maine is home to 9 species in 8 genera in 4 families. If you know which species you have or are interested in learning about, click on the appropriate link from the species list below. Otherwise, to determine which family your salamander belongs to, refer to the table below the species list.

Family Proteidae (1 genus, 1 species)
   Necturus (1 species)
      Necturus maculosus - common mudpuppy
Family Ambystomatidae (1 genus, 2 species)
   Ambystoma (2 species)
      Ambystoma laterale - blue-spotted salamander
      Ambystoma maculatum - spotted salamander
Family Salamandridae (1 genus, 1 species)
   Notophthalmus (1 species)
      Notophthalmus viridescens - eastern newt
Family Plethodontidae (5 genera, 5 species)
   Desmognathus (1 species)
      Desmognathus fuscus - northern dusky salamander
   Eurycea (1 species)
      Eurycea bislineata - two-lined salamander
   Gyrinophilus (1 species)
      Gyrinophilus porphyriticus - spring salamander
   Hemidactylium (1 species)
      Hemidactylium scutatum - four-toed salamander
   Plethodon (1 species)
      Plethodon cinereus - redback salamander

Key to the families of Order Caudata

red font = character state unique or nearly so	char. 1	char. 2	char. 3	char. 4
Proteidae
Ambystomatidae
Salamandridae
Plethodontidae

Family Proteidae

Necturus
[information to be added]

Necturus maculosus (common mudpuppy) - [information to be added]

Family Ambystomatidae

Ambystoma
[information to be added]

Key to the species of Ambystoma

	char. 1	char. 2	char. 3	char. 4
A. laterale
A. maculatum

Ambystoma laterale (blue-spotted salamander) - [information to be added]

Ambystoma maculatum (spotted salamander) is easily identifiable due to its relatively large size and prominent yellow spots.
   
   (click on image to enlarge)

Family Salamandridae

Notophthalmus
[information to be added]

Notophthalmus viridescens (eastern newt) is more easily observed in its terrestrial red eft stage than in its two aquatic stages: larval and adult. Look closely for the small red dots on the side of the newt’s back.
   
   (click on image to enlarge)

Family Plethodontidae

Key to the genera of Family Plethodontidae

red font = character state unique or nearly so	char. 1	char. 2	char. 3	char. 4
Desmognathus
Eurycea
Gyrinophilus
Hemidactylium
Plethodon

Desmognathus
[information to be added]

Desmognathus fuscus (northern dusky salamander) - [information to be added]

Eurycea
[information to be added]

Eurycea bislineata (two-lined salamander) - [information to be added]

Gyrinophilus
[information to be added]

Gyrinophilus porphyriticus (spring salamander) - [information to be added]

Hemidactylium
[information to be added]

Hemidactylium scutatum (four-toed salamander) - [information to be added]

Plethodon
[information to be added]

Plethodon cinereus (redback salamander) - [information to be added]