DAVID REZNICK
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Lower Lalaja Stream, Northern Range Mountains, Trinidad

I explore the process of evolution by natural selection using observations and experiments to test evolutionary theory in natural populations.


My research addresses two main themes:

1. Guppy Experimental Evolution
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Trinidadian guppies,
Poecilia reticulata
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A predatory cichlid,
Crenicichla frenata
I study evolution as a contemporary process with experiments done in nature. I successfully tested aspects of the theory of evolution, as applied to life histories, and characterized evolution as a sufficiently fast process to be detectable within a few years. Now, I am studying rapid evolution.
Guppy Evolution
2. Evolution of the Placenta
P. prolifica
Poeciliopsis prolifica
I study the evolution of placentas in the fish family Poeciliidae, which has lead me to the study of intergenomic conflict and the inter-relationships among the evolution of placentas, sexually selected traits, pre- and post-copulatory reproductive isolation and how they all combine to govern the rate of speciation.
Placental Evolution

Find out more...

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Publications
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Prospective Students
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Get in touch

Contact Information:
Distinguished Professor
Department of Evolution, Ecology and Organismal Biology
University of California, Riverside

Riverside, CA 92521
USA

e-mail: david.reznick@ucr.edu
phone: +1 (951) 827-5820
​
office: 209 University Laboratory Building
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  • Home
  • People
  • Guppy Evolution
  • Evolution of the Placenta
  • Publications
  • News
  • Prospective Students
  • Contact
  • The Guppy Project