Roy Yanong

Professor & Extension Veterinarian

Phone:  (813) 671-5230 x104


V.M.D., Veterinary Medicine, 1992, University of Pennsylvania

B.A., Molecular Biophysics and Biochemistry, 1986, Yale University

Courses Taught

FAS 6256 - Introduction to Fish and Aquatic Invertebrate Histology
This course teaches basic interpretation of the normal histology (fixed tissue microanatomy and physiology) of fish, bivalves, and corals and introduces common histopathologic (disease) findings.

Current Students

Brian Joseph - M.F.A.S. student

Christine Morano - M.F.A.S. student

Brian Palmeiro - M.F.A.S. student

Michael J. Tuccinardi - M.F.A.S. student

Jaclyn Wilson - M.F.A.S. student

Selected Research Publications

Degidio, J.M., R.P.E Yanong, C.L. Ohs, C.A. Watson, E.J. Cassiano and K.P. Bardon. 2017. First feeding parameters of the milletseed butterfly fish, Chaetodon miliaris. Aquaculture Research. DOI:10.1111/are.13558.

Degidio, J., R.P.E. Yanong, C.A. Watson, C.L. Ohs, E.J. Cassiano, K. Barden. 2017. Spawning, embryology, and larval development of the Milletseed Butterflyfish Chaetodon miliaris in the laboratory. North American Journal of Aquaculture 79 (3):205-215. 

Griffin, M.J., S.R. Reichley, T.E. Greenway, S.M. Quiniou, C. Ware, D.X. Gao, P.S. Gaunt, R.P.E. Yanong,  D.B. Pouder, J.P. Hawke and E. Soto. 2016. Comparison of Edwardsiella ictaluri isolates from different hosts and geographic origins. J Fish Dis, 39: 947–969.

Fogelson, S.B., R.P.E. Yanong, A. Kane, C.N. Teal, I.K. Berzins, S.A. Smith, C. Brown, and A. Camus. 2015. Gross, histological and ultrastructural morphology of the aglomerular kidney in the lined seahorse Hippocampus erectus. Journal of Fish Biology 87:805-813.

Bourtis, C.M., R. Francis-Floyd, A. S. P. Boggs, E. A. Reyier, E. D. Stolen, R. P. Yanong, and L. J. Guillette, Jr. 2015. Plasma glucose levels for red drum Sciaenops ocellatus in a Florida estuarine fisheries reserve. Florida Scientist 78(2):88-93.

Gardner, P.G., T.K. Frazer, C.A. Jacoby and R.P.E. Yanong. 2015. Reproductive biology of invasive lionfish (Pterois spp.). Frontiers in Marine Science 2:7. [doi:10.3389/fmars.2015.00007]

Soto, E., A.E. Primus, D.B. Pouder, R.H. George, J. Trevor, S.E. Cassle, T. Johnson, S. Boyd, T. Handsel, and R.P.E. Yanong. 2014. Identification of Francisella noatunensis in novel host species French grunt (Haemulon flavolineatum) and Caesar grunt (Haemulon carbonarium). 2014. Journal of Zoo and Wildlife Medicine. 45(3):727-731.

Steckler N.K., R.P.E. Yanong, D.B. Pouder, A. Nyaoke, D.A. Sutton, J.R. Lindner, B.L. Wickes, S. Frasca, J.C. Wolf, and T.B. Waltzek. 2014. New disease records for hatchery-reared sturgeon. II. Phaeohyphomycosis due to Veronaea botryosa. Diseases of Aquatic Organisms 111(3):229-238.

Bourtis, C.M., R. Francis-Floyd, E. A. Reyier, R.P. Yanong, and L.J. Guillette Jr. 2014. Development of a nonlethal health assessment for wild red drum using a health index. Journal of Aquatic Animal Health 26(2):91-95.

Krediet, C.J., J.L. Meyer, N. Gimbrone, R. Yanong, I. Berzins, A. Alagely, H. Castro, K.B. Ritchie, V.J. Paul and M. Teplitski. 2014. Interactions between the tropical sea anemone Aiptasia pallida and Serratia marcescens, an opportunistic pathogen of corals. Environmental Microbiology Reports 6(3):287–292.

Trushenski, J.T., J.D. Bowker, S.J. Cooke, D. Erdahl, T. Bell, J.R. MacMillan, R.P. Yanong, J.E. Hill, M.C. Fabrizio, J.E. Garvey, and S. Sharon. 2013. Issues regarding the use of sedatives in fisheries and the need for immediate-release options. Transactions of the American Fisheries Society 142:156-170.

Crosby, T.C., J. E. Hill, K. H. Hartman and R. P. E. Yanong. 2012. Effects of metomidate hydrochloride sedation on blood glucose and marketability of transported threespot gourami Trichogaster trichopterus. Journal of Aquatic Animal Health 24: 73-80.

Soto, E., O. Illanes, D. Hiltchie, J.A. Morales, P. Sunyakumthorn, J.P. Hawke, A. Goodwin, A. Riggs, R. Yanong, D. Pouder, R. Francis-Floyd, M. Arauz, L. Bodganovic, and F. Castillo. 2012. Molecular and immunohistochemical diagnosis of Francisella noatunensis subsp. orientalis (syn. F. asiatica) from formalin-fixed parafilm embedded tissues. Journal of Veterinary Diagnostic Investigation 24:840-845.

Hanson, S.K., J.E. Hill, C.A. Watson, R.P.E. Yanong, R Endris. 2011. Evaluation of emamectin benzoate for the control of experimentally induced infestations of Argulus sp. in goldfish and koi carp. Journal of Aquatic Animal Health. 23:30-34.

Yanong, R.P.E., D.B. Pouder, and J.O. Falkinham III. 2010. Association of mycobacteria in recirculating aquaculture systems and mycobacterial disease in fish. Journal of Aquatic Animal Health 22:219–223.

Crosby, T.C., B.D. Petty, H.J. Hamlin, L.J. Guillette, Jr., J.E. Hill, K.H. Hartman, and R.P.E. Yanong. 2010. Plasma cortisol, blood glucose, and marketability of koi transported with metomidate hydrochloride. North American Journal of Aquaculture 72:141–149.

Selected Extension Publications

Hesami,S., P. Viadanna, N. Steckler, S. Spears, P. Thompson, K. Kelley, R. Yanong, R. Francis-Floyd, J. Shelley, J. Groff, A. Goodwin, O.Haenen, and T. Waltzek. 2015. Carp Edema Virus Disease (CEVD) / Koi Sleepy Disease (KSD). University of Florida/IFAS EDIS Publication FA189. (

Hartman, K.H., R.P.E. Yanong, D.B. Pouder, B.D. Petty, R. Francis-Floyd, and A.C. Riggs. 2013. Koi Herpesvirus Disease (KHVD). University of Florida/IFAS EDIS Publication VM149. (

Yanong, R.P.E. 2013. Biosecurity in Aquaculture, Part 3: Ponds. USDA Southern Regional Aquaculture Center Publication #4712. (

Yanong, R.P.E. 2012. Biosecurity in Aquaculture, Part 2: Recirculating Aquaculture Systems. USDA Southern Regional Aquaculture Center Publication #4708. (

Yanong, R.P.E. and C. Erlacher-Reid. 2012. Biosecurity in Aquaculture, Part 1: An Overview. USDA Southern Regional Aquaculture Center Publication #4707. (

Steckler, N. and R.P.E. Yanong. 2012. Argulus (Fish Louse) Infections in Fish. University of Florida/IFAS EDIS Publication FA184.  (

Steckler, N. and R.P.E. Yanong. 2012. Lernaea (Anchorworm) Infestations in Fish. University of Florida/IFAS EDIS Publication FA185 (

Petty B.D., R. Francis-Floyd, and R.P.E. Yanong. 2012. Spring Viremia of Carp. University of Florida/IFAS EDIS Publication VM142.  (

Yanong, R.P.E. and T.B. Waltzek. 2010. Megalocytivirus Infections in Fish, with Emphasis on Ornamental Species. University of Florida/IFAS EDIS Publication FA182. (

Yanong, R.P.E. 2010. Lymphocystis Disease in Fish. University of Florida/IFAS EDIS Publication FA181. (

Yanong, R.P.E. 2010. Viral Nervous Necrosis (Betanodavirus) Infections in Fish.  University of Florida/IFAS EDIS Publication FA180. (


men on a boat

Roy contemplates lunch

Roy Yanong