Growth and Spread of the Argentine Black and White Tegu in Florida
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Argentine black and white tegu
invasive species
ecological impacts
wildlife management

How to Cite

Harvey, Rebecca G., Justin Dalaba, Jenny Ketterlin, Art Roybal, Daniel Quinn, and Frank J. Mazzotti. 2021. “Growth and Spread of the Argentine Black and White Tegu in Florida: WEC347/UW482, 6/2021”. EDIS 2021 (5). Gainesville, FL.


The Argentine black and white tegu is one of the largest lizard species in the Western Hemisphere, growing up to four feet long. The tegu’s broad habitat use and omnivorous diet create the potential for severe ecological impacts in areas outside its native habitat. This publication presents updated information about efforts to understand and manage the problem of invasive tegus in the state of Florida. It presents the implications of continued expansion of their range.
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PDF 2021


EDDMapS. 2020. Early Detection & Distribution Mapping System. The University of Georgia - Center for Invasive Species Ecosystem Health. Available online at; last access March 20, 2020.

Harvey, M. B., G. N. Ugueto, and R. L. Gutberlet, Jr. 2012. "Review of Teiid Morphology with a Revised Taxonomy and Phylogeny of the Teiidae (Lepidosauria: Squamata)." Zootaxa 3459:1-156.

Jarnevich, C. S., M. A. Hayes, L. A. Fitzgerald, A. A. Yackel Adams, B. G. Falk, M. A. Collier, L. R. Bonewell, P. E. Klug, S. Naretto, and R. N. Reed. 2018. "Modeling the Distributions of Tegu Lizards in Native and Potential Invasive Ranges." Scientific reports 8 (1): 10193.

Klug, P. E., R. N. Reed, F. J. Mazzotti, M. A. McEachern, J. J. Vinci, K. K. Craven, and A. A. Yackel Adams. 2015. "The Influence of Disturbed Habitat on the Spatial Ecology of Argentine Black and White Tegu (Tupinambis merianae), a Recent Invader in the Everglades Ecosystem (Florida, USA)." Biological Invasions 17:1785-1797.

Krysko, K. L., L. A. Somma, D. C. Smith, C. R. Gillette, D. Cueva, J. A. Wasilewski, K. M. Enge, et al. "New Verified Nonindigenous Amphibians and Reptiles in Florida through 2015, with a Summary of Over 152 Years of Introductions." IRCF Reptiles & Amphibians 23:110-143.

Mazzotti, F. J., M. A. McEachern, M. R. Rochford, R. N. Reed, J. Ketterlin Eckles, J. J. Vinci, J. Edwards, and J. Wasilewski. 2014. "Tupinambis merianae as Nest Predators of Crocodilians and Turtles in Florida, USA." Biological Invasions 17:47-50.

McEachern, M. A., A. A. Yackel Adams, P. E. Klug, L. A. Fitzgerald, and R. N. Reed. 2015. "Brumation of Introduced Tupinambis merianae (Squamata: Teiidae) in Southern Florida." Southeastern Naturalist 14 (2): 319-328.

Meshaka, W. E., Jr. 2011. "A Runaway Train in the Making: The Exotic Amphibians, Reptiles, Turtles, and Crocodilians of Florida. Monograph 1." Herpetological Conservation and Biology 6:1-101.

Offner, M. T. 2017. "Spatial Ecology and Diet of the Argentine Black and White Tegu (Salvator merianae) in Central Florida." (Unpublished Master's thesis.) University of Florida, Gainesville, Florida.

Pernas, T., D. J. Giardina, A. McKinley, A. Parns, and F. J. Mazzotti. 2012. "First Observations of Nesting by the Argentine Black and White Tegu, Tupinambis merianae, in South Florida." Southeastern Naturalist 11: 765-771.

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