Ambystomatidae. Range Widely distributed from southern Canada down to southern Mexico.

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Presentation transcript:

Ambystomatidae

Range Widely distributed from southern Canada down to southern Mexico.

Taxonomy 2 genera, 32 – 37 species (depends on reference)  Ambystoma  Rhyacosiredon (four species)  Dicamtodontidae ( four species, sometimes considered separate family)  Common family name: Mole Salamanders

Paedomorphic Some species are paedomorphic, some are terrestrial and some species will have populations exhibiting both characteristics. Axolotl Ambystoma mexicanum

Dicamtodontidae D. tenebrosus, pacific giant salamander Considered by some to be its own family Four species Commonly know as Pacific giant Salamanders

Morphology Adults Robust bodies and limbs Short, blunt heads Small eyes Prominent costal grooves Laterally flattened tail

Habitat Terrestrial adults live under cover objects and in animal burrows in the forest Paedomorphs and larvae stage salamanders live in ponds and slow streams Ambystoma opacum, marbled salamander Ambystoma tigrinum, tiger salamander

Reproduction Ambystoma opacum, marbled salamander fertilization is internal Most species breed in the spring Tiger And Marbled salamanders breed in the fall. Ambystoma jeffersonianum, Jefferson salamander

Long-toed Salamander (Ambystoma macrodactylum)

Ambystoma tigrinum, Tiger salamander

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