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Photo: Richard E Connon

Richard E Connon- BS, PhD
Assistant Adjunct Professor
Anatomy, Physiology & Cell Biology

Room 3205
Vet Med 3B, 1089 Veterinary Medicine Drive, Davis, CA 95616

+1 530 752 3141


Research Focus

My main interest is in the mechanisms behind organisms' tolerance and adaptations to changing environments and I utilize genomic approaches to understand their sensitivity.

Specialty Focus



1998 BS (Hons) Appliled Environmental Science, Middlesex University, United Kingdom
2003 PhD Ecotoxicology, University of Reading, United Kingdom

Honors and Awards

2009 "Best Publication Award" by SETAC, to first author for best paper in ecotoxicology in 2008

Active Research Grants

Co-Investigator, Linking biological scales across generations: An estuarine and marine model for measuring the ecological impact of endocrine disrupting compounds, Susanne Brander (UNCW) (Principal Investigator), US EPA STAR

Collaborator, Integrated chemical and genomic assessment of contaminant effects on invertebrate fish prey in Cache Slough, Donald Weston (UC Berkeley) & Thomas Young (UC Davis) (Principal Investigator), State and Federal Contractors Water Agency

Principal Investigator, Effect of herbicides and insecticides of concern in the Bay-Delta on primary and secondary production, (Principal Investigator), State and Federal Contractors Water Agency

Collaborator, Development and Use of Adverse Outcome Pathways that Predict Adverse Developmental Neurotoxicity,, Pam Lein (Principal Investigator), US EPA STAR

Principal Investigator, A Systems Biology Assessment of EDCs in the Delta, (Principal Investigator), California Department of Fish and Game

Collaborator, Mitochondrial DNA of sperm as an indicator of sperm function, stallion aging, and cryopreservation success, Dr. Stuart Meyers (Principal Investigator), American Quarter Horse Foundation

Principal Investigator, Old Standards Versus New Approaches: Defining the Fundamental Niche of Delta Smelt (Hypomesus transpacificus), (Principal Investigator), Bureau of Reclamation

Co-Investigator, The physiological effects of elevated water temperature on three species of fish in the San Francisco Bay-Sacramento/San Joaquin Rivers Delta system: Using ecological genomics to understand the potential impacts of climate change, Dr. Ken Jeffries (Principal Investigator), California SeaGrant

Collaborator, Advanced Measures of Spermatozoal Parameters to Predict Fertility of Dogs in a Purebred Service Dog Breeding Facility, Dr. Stuart Meyers (Principal Investigator), American Kennel Club Canine Health Foundation

Principal Investigator, Water quality, contaminants, and nutrient assessments in California waterways, year II, (Principal Investigator), State and Federal Contractors Water Agency

Co-Investigator, Mechanisms of thermal ontogenic plasticity and adaptation in native and invasive fishes, Dr. Nann Fangue (Principal Investigator), National Science Foundation - Doctoral Dissertation Improvement Grants

Co-Principal Investigator, Developing molecular tools to assess the mechanisms of tolerance and resistance to environmental stressors in longfin smelt (Spirinchus thaleichthys), Dr. Nann Fangue (Principal Investigator), California Department of Water Resources

Principal Investigator, What would fish be without food? – A long-term effect assessment of pesticide mixtures on aquatic invertebrate communities using mesocosms, (Principal Investigator), State and Federal Contractors Water Agency

Collaborator, Pilot Study: Mitochondrial DNA copy number and microdeletions in canine sperm, Dr. Stuart Meyers (Principal Investigator), Center for Companion Animal Health

Most Recent 10 Publications

  • Link Icon 2015 Fritsch EB, Stegeman JJ, Goldstone JV, Nacci DE, Champlin D, Jayaraman S, Connon RE, Pessah IN Expression and function of ryanodine receptor related pathways in PCB tolerant Atlantic killifish (Fundulus heteroclitus) from New Bedford Harbor, MA, USA Aquatic Toxicology,
  • Link Icon 2014 Wang G, Yang E, smith KJ, Zeng Y, Ji G, Connon RE, Fangue NA, Cai, JJ Gene expression responses of threespine stickleback to salinity: implications for salt-sensitive hypertension Frontiers in Genetics,
  • Link Icon 2014 Komoroske L, Connon RE, Lindberg J, Cheng BS, Castillo G, Hasenbein M, Fangue NA Ontogeny influences sensitivity to climate change stressors in an endangered fish Conserv Physiol (2014) 2 (1): cou008 doi:10.1093/conphys/cou008,
  • Link Icon 2014 Hasenbein M, Werner I, Deanovic LA, Geist J, Fritsch EB, Javidmehr A, Foe C, Fangue NA, Connon RE Transcriptomic profiling permits the identification of pollutant sources and effects in ambient water samples Sci Total Environ,
  • Link Icon 2013 Brander SM, Connon RE, He G, Hobbs JA, Smalling KL, Teh SJ, White JW, Werner I, Denison MS, Cherr GN From ‘Omics to Otoliths: Responses of an Estuarine Fish to Endocrine Disrupting Compounds across Biological Scales PLoS ONE,
  • Link Icon 2013 Fritsch EB, Connon RE, Werner I, Davies R, Beggel S, Feng W, Pessah IN Triclosan impairs swimming behavior and alters expression of excitation-contraction coupling proteins in fathead minnow (Pimephales promelas) Environ Sci Technol,
  • Link Icon 2013 Hasenbein M, Komoroske LM, Connon RE, Geist J, Fangue NA Turbidity and salinity affect feeding performance and physiological stress in the endangered delta smelt Integr Comp Biol,
  • Link Icon 2012 Connon RE, Geist J, Werner I Effect-Based Tools for Monitoring and Predicting the Ecotoxicological Effects of Chemicals in the Aquatic Environment Sensors (Special Issue: Biosensors),
  • Link Icon 2012 Connon RE, D'Abronzo LS, Hostetter NJ, Javidmehr A, Roby DD, Evans AF, Loge FJ, Werner I Transcription profiling in environmental diagnostics: health assessments in Columbia River basin steelhead (Oncorhynchus mykiss) Environmental Science and Technology,
  • Link Icon 2012 Durieux EDH, Connon RE, Werner I, D'Abronzo LS, Fitzgerald PS, Spearow JL, Ostrach DJ Cytochrome P4501A mRNA and protein induction in striped bass (Morone saxatilis) Fish Physiology and Biochemistry,

External Links

Connon Lab