Gregory Lewbart

Bio

Greg received his B.A. in biology from Gettysburg College in 1981, an M.S. in biology with a concentration in marine biology from Northeastern University in 1985, and a V.M.D. from the University of Pennsylvania School of Veterinary Medicine in 1988. He worked for a large wholesaler of ornamental fishes before joining the faculty at the North Carolina State University College of Veterinary Medicine in 1993, where he is Professor of Aquatic, Wildlife and Zoological Medicine and an Assistant Clinical Sciences Department Head. He is a diplomate of the American College of Zoological Medicine and the European College of Zoological Medicine. In 2007 was named Exotic DVM of the Year by Exotic DVM Magazine. In 2012 he received the William Medway Award for Excellence in Teaching from the International Association for Aquatic Animal Medicine. In 2024 he received the ARAV/ZooMed RAVE Award for contributions to reptile and amphibian medicine.

Greg is an author on over 250 popular and scientific articles about invertebrates, fishes, amphibians and reptiles and speaks locally, nationally and internationally on these subjects. He’s also authored or co-authored 30-plus book chapters related to veterinary medicine of the above-mentioned taxonomic groups and edited or co-edited six veterinary textbooks: Self Assessment Colour Review of Ornamental Fish (Manson Publishing and ISU Press, 1998), Self Assessment Colour Review of Ornamental Fish & Aquatic Invertebrates (CRC Press, 2017), Rapid Review of Exotic Animal Medicine and Husbandry (Manson Publishing, 2008), the multiple award winning Invertebrate Medicine (Wiley-Blackwell Publishing, 2006; 2012; 2022), and The Aquarium Fish Medicine Handbook with Roy Yanong (CRC Press, 2024). Greg has made 29 trips to the Galápagos doing field work on a wide variety of species.

He and his wife Dr. Diane Deresienski live in North Carolina.

AFFILIATIONS

AAZV, IAAAM, ARAV, AVMA, WAVMA, AAFV, Veterinary Invertebrate Society, Honeybee Consortium, Dipl ECZM (ZHM)

CERTIFICATIONS

Dipl. ACZM & ECZM (Zoo Health Management)

Area(s) of Expertise

GLOBAL HEALTH, INFECTIOUS DISEASES, PHARMACOLOGY
Health assessment of wildlife with emphasis on North Carolina and Galápagos reptiles.

Publications

• Changes in marine iguana (Amblyrhynchus cristatus) heart rates suggest reduced metabolism during El Niño events , JOURNAL OF ZOOLOGY (2025)
• HEALTH ASSESSMENT OF BLUE-FOOTED BOOBIES (SULA NEBOUXII EXCISA) DETERMINED BY HEMATOLOGY, BIOCHEMISTRY, BLOOD GASES, AND PHYSICAL EXAMINATION IN THE GALÁPAGOS ISLANDS , JOURNAL OF ZOO AND WILDLIFE MEDICINE (2025)
• Spatial analysis of vehicular trauma and identification of hotspots in North Carolina chelonians , JOURNAL OF WILDLIFE MANAGEMENT (2025)
• Ultrastructural studies distinguish skin diversities among Galápagos iguanas , BIOLOGY DIRECT (2025)
• DEVELOPMENT OF A HEMOLYMPH COLLECTION TECHNIQUE AND REPORT OF BIOCHEMICAL PARAMETERS OF HEMOLYMPH IN A MANAGED POPULATION OF FEMALE THORNY DEVIL STICK INSECTS (EURYCANTHA CALCARATA) , JOURNAL OF ZOO AND WILDLIFE MEDICINE (2024)
• Expanding the invertebrate medicine toolbox: evaluation of opisthosoma tonometry as a novel diagnostic tool for arachnids , AMERICAN JOURNAL OF VETERINARY RESEARCH (2024)
• First evidence of recruitment in critically endangered Galápagos pink land iguanas (Conolophus marthae) , CONSERVATION SCIENCE AND PRACTICE (2024)
• Gastrotomy for removal of a gastric fishhook foreign body in a blue catfish (Ictalurus furcatus) , VETERINARY RECORD CASE REPORTS (2024)
• Hand grab or noose pole? Evaluating the least stressful practice for capture of endangered Turks and Caicos Rock Iguanas Cyclura carinata , PEERJ (2024)
• Health status and morphometrics of Galápagos magnificent frigatebirds ( Fregata magnificens magnificens) determined by hematology, biochemistry, blood gas, and physical examination , PEERJ (2024)

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