Email Print Share

All Images


News Release 07-122

Interbreeding Between Invasive and Native Salamander Species Creates Hardy Hybrids Likely to Replace Parental Populations

Discovery of salamander hybrids has important implications for evolution and conservation

This material is available primarily for archival purposes. Telephone numbers or other contact information may be out of date; please see current contact information at media contacts.

The California Tiger Salamander, the Barred Tiger Salamander and a hybrid of the two.

The California Tiger Salamander is an endangered species. The Barred Tiger Salamander is an introduced species. Researchers have shown that when the two mate, the hybrid offspring show the lowest death rate of the lot.

Credit: Zina Deretsky, National Science Foundation


Download the high-resolution JPG version of the image. (481 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

Adult hybrid salamander.

Adult hybrid salamander.

Credit: Benjamin M. Fitzpatrick, University of Tennessee


Download the high-resolution JPG version of the image. (79 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

Adult California Tiger Salamander.

Adult California Tiger Salamander.

Credit: Benjamin M. Fitzpatrick, University of Tennessee


Download the high-resolution JPG version of the image. (537 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

Adult Barred Tiger Salamander.

Adult Barred Tiger Salamander.

Credit: Benjamin M. Fitzpatrick, University of Tennessee


Download the high-resolution JPG version of the image. (1 MB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

Hybrid tiger salamander larvae.

Hybrid tiger salamander larvae at various stages of development.

Credit: Bruce Delgado, Bureau of Land Management


Download the high-resolution JPG version of the image. (60 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

California Tiger Salamander larva.

California Tiger Salamander larva.

Credit: Benjamin M. Fitzpatrick, University of Tennessee


Download the high-resolution JPG version of the image. (80 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

Barred Tiger Salamander larva

Barred Tiger Salamander larva.

Credit: Benjamin M. Fitzpatrick, University of Tennessee


Download the high-resolution JPG version of the image. (75 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

Tiger Salamanders breed under water in landlocked ponds.

Tiger Salamanders breed under water in landlocked ponds.

Credit: Benjamin M. Fitzpatrick, University of Tennessee


Download the high-resolution JPG version of the image. (77 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.