Seal Salamander

(Desmognathus monticola)

IUCN Conservation Status: Least concern (LC)

Last updated: January 11th, 2021

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Common name(s): Seal Salamander
Binomial name: Desmognathus monticola
Location(s): The United States
Size: 3.0 - 6.0 inches

Taxonomy

Kingdom:

Animalia (Animal)

Phylum:

Chordata (Chordates)

Class:

Amphibia (Amphibian)

Order:

Caudata (Salamanders)

Family:

Plethodontidae

Genus:

Desmognathus

More About the Seal Salamander

The Seal Salamander is one of those little woodland creatures that you might not notice at first — but once you do, you won’t forget it. Known for its mottled body and love of cool, flowing streams, this amphibian is part of the dusky salamander group and has more going on than you might think. From its semi-aquatic lifestyle to its ability to scale mossy rocks with ease, the Seal Salamander is a quiet but fascinating resident of the Appalachian region.

Size & Physical Appearance

Adult Seal Salamanders typically grow between 3 to 6 inches in length, but some larger individuals can stretch a bit beyond that. Their bodies are usually gray to brown with darker blotches, flecks, or marbling across the back and sides — often resembling wet stone or leaf litter, which helps them blend into streamside environments.

Look closely and you might see a creamy or pale underside. Their tail is thick at the base and gradually tapers, and their hind legs are noticeably larger and more muscular than the front ones. Juveniles sometimes have brighter tail tips, which they lose as they age. There’s not much visible difference between males and females unless you’re looking during breeding season.

Habitat and Range

Seal Salamanders are found primarily in the Appalachian Mountains and nearby regions, especially from southern Pennsylvania down through the Carolinas, Georgia, Alabama, and into northern Mississippi. They’re mostly found in the eastern United States and are tied closely to elevation.

They love cool, rocky streams, seeps, and mountain brooks — basically, any place with clean, running water. You’ll often spot them tucked under flat rocks or logs near the water’s edge. While they’re most common at middle to high elevations, they can be found from about 500 to 4,000 feet above sea level.

Diet

Seal Salamanders are night-time hunters, preying on a variety of small invertebrates. Their menu includes:

  • Insects and insect larvae
  • Worms
  • Spiders
  • Small crustaceans

They use a sit-and-wait strategy, often lurking motionless near stream edges until an unsuspecting snack passes by. One cool thing: they’ll sometimes even eat smaller amphibians — including members of their own kind.

Lifespan

In the wild, Seal Salamanders can live for around 8 to 10 years. Not a ton is known about their lifespan in captivity, since they’re not commonly kept as pets or for display. As with many amphibians, their survivability depends a lot on clean habitats and stable ecosystems.

Identification Tips

Seal Salamanders can look a lot like other dusky salamanders, especially the Northern Dusky and Allegheny Dusky Salamanders. Here are a few ways to tell them apart:

  • Tail shape: Seal Salamanders have a thick, muscular tail that compresses laterally farther back than other dusky species.
  • Color and patterns: While color can overlap, Seal Salamanders often have a more “marbled” or blotched pattern and lack the straight dorsal stripe many other dusky salamanders display.
  • Habitat: Their preference for higher elevation streams and rockier habitats can also be a clue.

If you’re unsure, behavior and location can often help narrow it down. Seal Salamanders are agile, quick to dart into the water, and often cling to rocks.

Fun Fact

Unlike many salamanders that walk slowly or wiggle awkwardly, the Seal Salamander is an excellent climber and can scramble up wet, vertical rock faces near waterfalls. Their strong hind limbs and suction-like toe pads let them grip slippery surfaces — kind of like little amphibian rock climbers!


Whether you’re a hiker exploring mountain trails or just curious about the stream near your backyard, keep an eye out for this slippery little local. The Seal Salamander might not be the flashiest amphibian, but it’s a great example of how diverse and specialized Appalachian wildlife can be.