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Ecology of anchialine cave communities of the Yucatan penninsula
Joey Pakes

My research focuses on dark, low oxygen anchialine caves, in which a marine layer rests beneath one or more isolated layers of brackish or freshwater. Most anchialine caves contain low invertebrates densities, yet some have inexplicably large biomasses of shrimp and remipedes, rare crustaceans found only in subtropical anchialine caves. My dissertation aims to integrate studies of geochemistry, microbiology, food web dynamics, and behavior to better understand whether chemosynthesis and feeding behaviors correlate with macrofaunal density and diversity in these extreme ecosystems. If you would like to learn more about my research and field work please click on the following link to view my video on the UC Museum of Paleontology website:
Contact info:
Joey Pakes
Department of Integrative Biology
University of California, Berkeley
1005 Valley Life Sciences Bldg #3140
Berkeley CA 94720-3140
Phone: 510-643-9746
Fax: 510-643-6264
Email: pakes(at)



University of California, Berkeley    |     Department of Integrative Biology