THE CENTER FOR NORTH AMERICAN HERPETOLOGY

Amphibia    Anura    Ranidae  

Pig Frog
Lithobates grylio (Stejneger, 1901)
lith-oh-BAY-tees — gree-LEE-oh

SSAR 9th Edition Comments:
 There are no current SSAR comments for this taxon.

Range maps are based on curated specimens and provided gratis by CNAH.
(Created by Travis W. Taggart; Version: 2023.04.09.21.41.43)
Download GeoJSON polygon range file: - 0.36 MB

Province/State Distribution:
USA: Alabama Florida Georgia Louisiana Mississippi South Carolina Texas

First instance(s) of published English names:
Pigfrog (Rana grylio: Wright, Anna Allen, and Alex Hazen Wright. 1933. Handbook of frogs and toads. The frogs and toads of the United States and Canada Comstock Publishing Associates, Ithaca, NY. xi+231pp.); Bonnet's Frog (Rana grylio: Wright, Anna Allen, and Alex Hazen Wright. 1933. Handbook of frogs and toads. The frogs and toads of the United States and Canada Comstock Publishing Associates, Ithaca, NY. xi+231pp.); Southern Bull-frog (Rana grylio: Wright, Anna Allen, and Alex Hazen Wright. 1933. Handbook of frogs and toads. The frogs and toads of the United States and Canada Comstock Publishing Associates, Ithaca, NY. xi+231pp.); Lake Frog (Rana grylio: Wright, Anna Allen, and Alex Hazen Wright. 1933. Handbook of frogs and toads. The frogs and toads of the United States and Canada Comstock Publishing Associates, Ithaca, NY. xi+231pp.); Green Bull-frog (Rana grylio: Wright, Anna Allen, and Alex Hazen Wright. 1933. Handbook of frogs and toads. The frogs and toads of the United States and Canada Comstock Publishing Associates, Ithaca, NY. xi+231pp.); Swamp Bullfrog (Rana grylio: Wright, Anna Allen, and Alex Hazen Wright. 1933. Handbook of frogs and toads. The frogs and toads of the United States and Canada Comstock Publishing Associates, Ithaca, NY. xi+231pp.); Pig Frog (Rana grylio: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); American Pigfrog (Lithobates grylio: Hedges, S. Blair, Robert Powell, Robert W. Henderson, Sarah Hanson, and John C. Murphy. 2019. Definition of the Caribbean Islands biogeographic region, with checklist and recommendations for standardized common names of amphibians and reptiles. Caribbean Herpetology (67):1–53);

Taxon Links:

  
Catalog of American Amphibians and Reptiles
  
Amphibian Species of the World
  
NatureServe
  
iNaturalist
  
GenBank
  
USGS - Nonindigenous Aquatic Species Database

Selected References:
1901 Stejneger, Leonhard H. A new species of bullfrog from Florida and the Gulf Coast. Proceedings of the United States National Museum 24:211–215
1982 Altig, Ronald and Ren Lohefener. Rana grylio Catalogue of American Amphibians and Reptiles (286):1-2
1985 Hillis, David M. Evolutionary genetics and systematics of New World frogs of the genus Rana: An analysis of ribosomal DNA, allozymes, and morphology. Dissertation. University of Kansas, Lawrence. pp.
2003 Austin, James D., Stephen C. Lougheed, Paul E. Moler, and Peter T. Boag. Phylogenetics, zoogeography, and the role of dispersal and vicariance in the evolution of the Rana catesbeiana (Anura: Ranidae) species group. Biological Journal of the Linnean Society 80:601-624
2019 Hedges, S. Blair, Robert Powell, Robert W. Henderson, Sarah Hanson, and John C. Murphy. Definition of the Caribbean Islands biogeographic region, with checklist and recommendations for standardized common names of amphibians and reptiles. Caribbean Herpetology (67):1–53
2022 MacGuigan, Daniel J., Genevieve G. Mount, Gregory J. Watkins-Colwell, Thomas J. Near, and Max R. Lambert. Genomic data clarify Aquarana systematics and reveal isolation-by-distance dominates phylogeography of the wide-ranging frog Rana clamitans. Ichthyology & Herpetology 110(3):602-617

THE CENTER FOR NORTH AMERICAN HERPETOLOGY — Accessed: Saturday 14 June 2025 04:04 CT