Allegheny Mountain Dusky Salamander

Scientific Name: Desmognathus ochrophaeus
Size: 2.75-4.25 inches (7-10 cm) in length
PA Status: Abundant

Habitat Type:
Moist deciduous or mixed hardwood-coniferous forest, small streams, springs and hillside seeps.

Colorations:

  • The dorsal has a broad, straight-edged vertebral stripe that varies in color from yellow, red, orange to shades of brown and is bordered on each side by dark brown to black stripe that becomes lighter and mottled towards the ventral. A medial row of dark chevron-shaped markings occur within the middle of the stripe, but they may be absent. The stripe extends from the back of the head though the body and onto the tail.
  • The ventral is light grey to greyish-black and immaculate or may be lightly mottled. The ventral darkens with age.
  • Duskys are easily identified by the light line that extends from the eye to the angel of the jaw.
  • Older individuals are often melanistic or uniform dark brown to black.

Characteristics:

  • Small species. More terrestrial than the other duskys.
  • The tail is slightly longer than the body.
  • The toe tips lack cornifications.
  • 14 costal grooves.

Juvenile coloration and characteristics:

  • Similar to adults.

Larvae coloration and characteristics:

  • The dorsal has a straight dorsolateral striped and lack alternating spot or they are restricted to the posterior portion of the body.
  • The body is rounded.
  • Limbs are well-developed.
  • The tail is weakly keeled and 2/3s are laterally compressed.
  • The head is large and distinct from the neck.
  • The gills are short and slender.

Confused with:

  • Redback Salamander
  • Northern Dusky Salamander
  • Seal Salamander

Coloration/Pattern Photos:
Adults
Allegheny Mountain Dusky Salamander - By: Jason Poston Allegheny Mountain Dusky Salamander - By: Jason Poston Allegheny Mountain Dusky Salamander - By: Jason Poston
Allegheny Mountain Dusky Salamander - By: Jason Poston Allegheny Mountain Dusky Salamander - By: Jason Poston Allegheny Mountain Dusky Salamander - By: Jason Poston
Allegheny Mountain Dusky Salamander - By: Jason Poston Allegheny Mountain Dusky Salamander - By: Jason Poston Allegheny Mountain Dusky Salamander - By: Tom Diez
Allegheny Mountain Dusky Salamander - By: Tom Diez Allegheny Mountain Dusky Salamander - By: Tom Diez Allegheny Mountain Dusky Salamander - By: Tom Diez
Larvae
Mtn. Dusky Salamander - Larvae - By: Jason Poston

Range Map:

References:

  • Hulse, C. and McCoy C. J. and Ellen Censky ,1998. Amphibians and Reptiles of Pennsylvania and the Northeast. 192-196pp.
  • Petranka, James W. ,1998. Salamanders of the United States and Canada. 192-196pp.

Photo Credits:

  • Jason Poston
  • Tom Diez