Former Lab Members

Rachael Heuer
Postdoctoral researcher: Impacts of ocean acidification on physiology in marine fish (Ph.D.); Impacts of crude oil on cardiac function in marine fish (Postdoctoral)
Currently: Research Assistant Professor, Marine Biology and Ecology, University of Miami

Alexandra Karaczynski
Outreach Coordinator, RECOVER Consortium
Currently: Administrative assistant: Marine Biology and Ecology, Environmental Science and Policy, University of Miami

Madeline Muñoz - Bustamante
Data and Program Coordinator, RECOVER Consortium
Currently: Small business owner in Miami

Claudia Arredondo
2019-2020 (through the Miami - Dade Community College HHMI Bridge to Baccalaureate Program)
Research on the effects of copper in the development of Lymnaea stagnalis.

Currently: Graduate student, Cornell University

Rebecca Zlatkin
2017-2020 (through the Miami - Dade Community College HHMI Bridge to Baccalaureate Program)
Impacts of ocean acidification on the behavior and physiology of the model organism, the California sea hare (Aplysia californica); Impacts of crude oil on behavioral responses in the California sea hare.
Currently: PreK - 4 Instructor and Middle School science lecturer, St. Timothy's Parish School, Miami FL

Gabrielle Ménard
Undergraduate research technician; senior thesis: Effects of oil on orientation and vertical position in early life stage mahi - mahi (Coryphaena hippurus) and its implications for UV exposure
Currently: Animal behavior intern, Island Dolphin Care, Key Largo FL

Emma Esch
Undergraduate research technician; senior thesis: Impacts of crude oil on behavioral lateralization of the Bicolor damselfish
Currently: MPS student in Coastal Zome Management track, University of Miami 

Lela Schlenker, Ph.D.
Marine fish olfaction and behavior
Currently: Postdoctoral researcher, East Carolina University 

Christina Pasparakis, Ph.D.
Metabolic rate and buoyancy control in early life - stage mahi
Currently: Postdoctoral researcher, UC Davis

Yadong Wang, Ph.D.
Molecular toxicology and physiology in fish
Currently: Postdoctoral researcher, University of Washington

Gretchen Bielmyer, Ph.D.
Metal toxicity in marine and freshwater organisms
Currently: Associate Professor, Valdosta State University (

Adam Obaza
Effects of arsenic on the pond snail, Lymnaea stagnalis
Graduate Student, Florida International University

Bob Gerdes, M.S.
Effects of arsenic and lead on aquatic organisms
Research Assistant, Cold Spring Harbor Laboratory, Long Island, New York

Jon Blanchard, Ph.D.
Effects of copper on Fundulus heteroclitus under varying salinities
High School Teacher, Holyoke Public Schools

Josi Taylor, Ph.D.
Intestinal bicarbonate secretion in marine teleost fish
PDF, Monterey Bay Aquarium Research Institute

Giovanna Sattin, Ph.D.
Molecular evolution of carbonic anhydrase
Educatore Cinofilio

Cameron Williams
Intestinal bicarbonate secretion in marine teleost fish
Graduate Student, University of Charleston

Sue Ebanks, Ph.D
Ecophysiology of freshwater pulmonate snails
Assistant Professor, Savannah State University

Janet Genz, Ph.D.
Intestinal bicarbonate secretion in marine teleost fish
Assistant Professor, University of West Georgia

Sam Guffey
Role of intestinal proton pump in marine teleost osmoregulation
Laboratory Manager, Purdue University

Cheryl Chan, M.S.
Acute copper toxicity in fish and invertebrates across salinity gradients

Andrew Esbaugh, Ph.D.
Validation of the lead biotic ligand model
Assistant Professor, University of Texas, UTMSI

Kevin Brix, Ph.D.
Evolutionary physiology of pupfish and environmental toxicology
Environmental Consultant

Amanda Kasper
Effects of total dissolved solids on Arctic grayling embryos
Veterinary Physician at Tierklinik Parndorf, Austria

Kat Munley
Aquatic toxicology of Pb to freshwater snails
Ph.D. Student, Louisiana State University

Jenny Panlilio
Respiratory physiology of freshwater snails
Ph.D. Student, Massachusetts Institute of Technology

Nafis Narsinghani
CaCO3 production and excretion in Gulf toadfish
Agency Coordinator and Merchandising Manager at ST8MNT Brand Agency

Charlotte Bodinier, Ph.D.
Developmental physiology of pelagic fishes and acute effects of crude oil to early life stage pelagic fish
Scientist Manager, HSE, Sanofi-Adventis, Paris, France

Mariana Capparelli, Ph.D.
Mechanisms of copper toxicity, accumulation and tissue distribution in the fiddler crab, Uca rapax

Jessie Wingar

CaCO3 production and excretion in Gulf toadfish
Graduate Student, University of New England

Theresa Mackey
CaCO3 production and excretion in Gulf toadfish
Behavior and Technology Intern, Disney

Zongli Yao, Ph.D.
Role of specific gill transporters in the osmoregulatory response of the Gulf toadfish to hypersalinity
Associate Professor, East China Sea Fisheries Research Institute Chinese Academy of Fishery Sciences, Shanghai, China

Ilan Ruhr, Ph.D.
Regulatory effects of the guanylin peptides on the intestinal physiology of the Gulf toadfish
Research Associate, The University of Manchester

Edward Mager, Ph.D.
Oil work on swim of different life stages of Mahi-mahi and molecular expression of Aplysia neurological system
Assistant Professor, University of North Texas

Aalekhya Reddam
Hypersalinity effects on calcium carbonate precipitation in the Gulf toadfish intestine. Oil work on cardiac activity in Mahi mahi
Graduate Student, University of California Riverside

Kevin Schauer, Ph.D.
Osmoregulation in teleost fish. Characterization and production of CaCO3 in Gulf toadfish
Postdoctoral Researcher, University of Wisconsin Madison

Georgina Cox, Ph.D.
Impacts of oil exposure on cardiac performance in marine fish
Postdoctoral Researcher, Guelph University, Ontario, Canada 

Alexander Little, Ph.D.
Metabolic cost of osmoregulation in marine fish
Postdoctoral Researcher, University of California, Santa Barbara 

Conrad Casente, B.S.
Research assistant 
High school teacher

John Stieglitz, Ph.D.
Culture of marine pelagic fish, Impacts of oil exposure on mahi 
Research Assistant Professor, RSMAS, University of Miami, Florida

Katherine Kaiser
May 2018 - May 2019 through Miami Dade Bridge Program
Osmorespiratory compromise in toadfish 
Undergraduate program, John Hopkins University