Atractosteus spatula is found in the Ohio River in southwestern Ohio and the Mississippi river south to the Gulf of Mexico. They are found in drainages throughout the southeastern coastal United States (Alligator Gar, 2005). They are found in parts of Florida, Georgia, Alabama, Tennessee, Arkansas, Oklahoma, and Texas (Knopf, 2002; Shultz, 2004). Their range is from 44° to 20° north latitude and 101° to 82° west longitude (Agbayani, 2005).
Biogeographic Regions: nearctic (Native )