Study Systems

Unisexual-Bisexual Mating System (Poecilia formosa-P. mexicana-P. latipinna)
We study the maintenance of the all female species, the Amazon molly.  We focus on male species recognition mechanisms from ultimate and proximate perspectives.

The header shows the two parental species of Amazon mollies and an Amazon molly in the center (rt side)
amazondistDistribution of mollies

M&FpmexMale Atlantic molly mating with a female Atlantic molly (lft) and female sailfin molly Female sailfin molly(rt)

 

 

 

A short article about the conservation related research we are doing in the Conservation Behavioristpdf

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short video of a male sailfin molly mating with a female sailfin molly while an Amazon and a competitor male watches

 

 

 

San Marcos Salamander (Eurycea nana) Enana
We study the effects of introduced predators on the San Marcos salamander and Barton springs salamanders (E. sosorum).
Read more on The Conservation Biologist 2013 p. 2-3.

Chemcues

Experimental set-up for chemical cue experiments with E. nana and E. sosorum

 

 

 


Fountain Darters
(Etheostoma fonticola)
Fountaindarter

We also look at predator-prey relationships and the effects of turbidity on behavior in fountain darters

 

 

Midwife toads (Alytes obstetricans)
DSC_6791

We have developed a method to obtain water-borne hormones from frogs, tadpoles and salamandersIMG_0989. Read more on Froglog 106: 84

 

 

 

Collecting water-borne hormones from A. obstetrican tadpoles in Spain