Rocky Mountain Amphibian Project

A WYOMING BIODIVERSITY CITIZEN SCIENCE INITIATIVE PROJECT


Western Tiger Salamander (Ambystoma Mavortium)

The Western Tiger Salamander

IDENTIFICATION (TERRESTRIAL ADULT)TigerSalamander_Abernethy-400px.jpg

  • Only salamander in Wyoming
  • Size: ~5.5 to 8 inches
  • Dorsal color: black and dark green
  • Variable mottling of yellow or olive blotches, stripes or spots
  • Smooth skin, long tail

 

PAEDOMORPH (AQUATIC ADULT)

  • Alternate adult stage resembles very large larvae (gills present)
  • Size: ~8 to 12 inches
  • Dark green or olive
  • Often with small black spots or blotches

 

EGGS & LARVAE

  • Eggs attached to submerged vegetation singly or in long clusters of 2-120 eggs
  • Larvae are olive green with small black blotches, wide heads and long, feathery gills

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TigerSalamander_Larva_Greene-400px.jpg

Egg photo by Charlotte Snoberger                                                            Larvae photo by Greene                          

 

BREEDING HABITAT

Permanent or temporary, natural or man-made ponds, pools, stock tanks, or back water or slow moving areas in creeks.

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Photo by Wyoming Natural Diversity Database

 

NATIVE RANGE

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Map by Wyoming Natural Diversity Database