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Rachel Lasley-Rasher

If you need to locate a faculty member with knowledge about particular functions of SMS (e.g., graduate admissions), you can find them on the list of current faculty committees.

Rachel Lasley-Rasher

Contact Information

Rachel Lasley-Rasher



Darling Marine Center
193 Clarks Cove Road 
Walpole, ME  04573


Ph. D. Georgia Institute of Technology 2012


I am interested in how animals that occupy basal trophic levels manage the conflicting demands of acquiring resources while avoiding the many hungry mouths in their environment.   I study how prey alter their behavior when exposed to elevated predation risk and how these behavioral changes can scale up to affect community and ecosystem-level processes.  For my PhD, I studied the role of predatory mysids in limiting the population growth of copepod prey by reducing their mating behavior.  In my postdoctoral research, I will determine the effects of anadromous fish migrations on the distribution and behavior of mysid shrimp over diel and seasonal cycles to better understand this critical link in coastal foodwebs.


  • Lasley-Rasher, R., & J. Yen (2012) Predation risk suppresses mating success and reproductive output in the coastal marine copepod, Eurytemora herdmani. Limnology and Oceanography. 57(2):433-440

    For more information: Download file (PDF)

  • Lasley-Rasher, R., D. Rasher, Z. Marion. R. Taylor, M. Hay (2011) Predation constrains host choice for a marine mesograzer. Marine Ecology Progress Series 434:91-99

    For more information: Download file (PDF)

  • Yen, J. and R. Lasley (2011) Chemical communication between copepods: finding the mate in a fluid environment. In T. Breithaupt and M. Thiel (Ed.), Chemical Communication in Crustaceans. Springer New York. p 177-197


  • 2013 to 2015 — $170,000.00 — Ocean Sciences Postdoctoral Research Fellowship from National Science Foundation

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