Levels of Sex Steroids in Plethodontid Salamanders: A Comparative Study Within the Genus Aneides
Nancy L Staub, Stephen G Hayes, Mary T Mendonca · 2024
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Description
Nancy Staub and co-authors measure sex hormones in salamanders in a 2024 comparative study of the genus Aneides. Some species in this group show derived monomorphism, where females look much like males, including enlarged jaw muscles, and the authors suspected androgen levels might explain those male-like traits.
Blood samples across species told a different story. Testosterone and a related hormone ran higher in males than females everywhere, and the size of that sex gap was similar in the dimorphic and monomorphic species alike. The hypothesis was rejected. The paper also reports female androgen levels in this salamander family for the first time.
Catalog record
| CREATOR | Nancy L Staub, Stephen G Hayes, Mary T Mendonca |
|---|---|
| YEAR | 2024 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 43 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |