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  3. Spotted Salamander

One of the 14 salamanders on WAnimals

Amphibians · Caudata · Ambystomatidae

Spotted Salamander

Ambystoma maculatum

Least Concern

The species is abundant and widely distributed; it faces no significant short-term risk.

Spotted something wrong?

The spotted salamander is a large black ambystomatid with two rows of yellow spots, very common in the woodlands of eastern North America even though it spends almost the whole year underground. Its embryos harbour a symbiotic alga inside their own cells, the only known case of intracellular symbiosis in a vertebrate.

Weight

13 g on average

Size

15 cm – 25 cm

Life expectancy

32 years

Diet

Insectivore

Feeds mainly on insects and other invertebrates.

Activity

Nocturnal

Active mainly at night.

Social structure

Solitary

Lives and hunts alone, joining others only to breed.

Temperate forestFreshwater
2countries29parks2same family

Fun facts

  • Its embryos contain algae inside their own cells: it is the only known case of intracellular symbiosis between an alga and a vertebrate. The alga produces oxygen for the embryo and receives nitrogen from its waste in return.
  • Every spring, on the first warm, rainy night, thousands of adults emerge at once and migrate to the same pool where they were born, a spectacle known in North America as the big night.
  • It depends on temporary pools that dry out every summer: that drying kills off the fish, and without fish the larvae survive. A permanent pond is no use to it.

Life cycle and biology

Skeleton type
Vertebrate - internal bony skeleton (amphibian)
Habitat and environment
Damp deciduous woodland with temporary pools in eastern North America
Sexual maturity
3 years
Gestation / incubation
Larval development in temporary woodland pools
Litter / clutch size
125

Sources consulted: Wikipedia (es): Ambystoma maculatum

Where to find it

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The pins mark the parks where its presence is documented.

Where to see it

Parks and dive sites where this species has been documented — showing 10 of 29.

Related species

Other species in the catalogue with the most in common with Spotted Salamander — same habitat, park, country, tags or family.

Same taxonomic family
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Keep exploring

Based on what we already know about spotted salamander.

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See full glossary
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See its range on the interactive map→
Great Smoky MountainsUnited States
AcadiaUnited States
Mammoth CaveUnited States
Gros MorneCanada
FundyCanada
Point PeleeCanada
VoyageursUnited States
Isle RoyaleUnited States
CongareeUnited States
ShenandoahUnited States
See all 29 parks
Least Concern

Eastern Tiger Salamander

Ambystoma tigrinum

Least Concern

Star-nosed Mole

Condylura cristata

Least Concern

Common Nighthawk

Chordeiles minor

Least Concern

American Toad

Anaxyrus americanus

Least Concern

American Bullfrog

Lithobates catesbeianus

Least Concern

Northern Leopard Frog

Lithobates pipiens

CountriesCanada
ParksGreat Smoky MountainsUnited States
TagsInsectivore
Insectivore
Nocturnal
Solitary
Amphibian
Temperate forest
Freshwater
Canada
United States