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Tiger Salamander

DESCRIPTION: These are large, dark bodiedsalamanders with light yellow-gold markings extending down their sides. Thegray tiger salamander (Ambystoma tigrinum diaboli), a subspecies, has a darkgreen to gray body speckled with tiny black dots. SIZE: 15-20 cm, with some specimens reaching a lengthof 30 cmor more WEIGHT: Average weight is approximately 126 g FUN FACTS: Salamanders do not have fracture zonesin their tails as some lizards do, but are able to regenerate entire limbs.Regenerated parts are usually distinguishable by the lack of characteristicpigmentation. Some small species of salamanders arelack lungs. If they have lungs, as the tiger salamander does, they pump air inand out by gular pumping (lowering and raising the floor of the mouth). Typically,tiger salamander larvae feed and grow during the spring and early summer andmetamorphose 2-5 months after hatching. However, some populations nevermetamorphose. In areas where the environments surrounding permanent ponds aredry and inhospitable, they may retain certain larval characteristics that allowthem to live underwater. These salamanders mature in the water and are able toreproduce, though they maintain the body of an immature salamander - aphenomenon called neoteny. Should environmental conditions improve, they maymetamorphose into a terrestrial adult.

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