FIGURE 4 in Checklist of the species of the Order Characiformes (Teleostei: Ostariophysi)

FIGURE 4 | Map of southern North America with area delimitation based on Abell et al.'s 2008 (Freshwater ecoregions of the world): 101 Alaskan Coastal; 102 Upper Yukon; 103 Alaska and Canada Pacific Coastal; 104 Upper Mackenzie; 105 Lower Mackenzie; 106 Central Arctic Coastal; 107 Upper Saskatchewan; 108 Middle Saskatchewan; 109 English–Winnipeg Lakes; 110 Southern Hudson Bay; 111 Western Hudson Bay; 112 Canadian Arctic Archipelago; 113 Eastern Hudson Bay–Ungava; 114 Gulf of St. Lawrence Coastal Drainages; 115 Canadian Atlantic Islands; 116 Laurentian Great Lakes; 117 St. Lawrence; 118 Northeast US and Southeast Canada Atlantic Drainages; 119 Scotia–Fundy; 120 Columbia Glaciated; 121 Columbia Unglaciated; 122 Upper Snake; 123 Oregon and Northern California Coastal; 124 Oregon Lakes; 125 Sacramento–San Joaquin; 126 Lahontan; 127 Bonneville; 128 Death Valley; 129 Vegas–Virgin; 130 Colorado; 131 Gila; 132 Upper Rio Grande–Bravo; 133 Pecos; 134 Rio Conchos; 135 Lower Rio Grande–Bravo; 136 Cuatro Cienegas; 137 Rio Salado; 138 Rio San Juan (Mexico); 139 West Texas Gulf; 140 East Texas Gulf; 141 Sabine–Galveston; 142 Upper Missouri; 143 Middle Missouri; 144 US Southern Plains; 145 Ouachita Highlands; 146 Central Prairie; 147 Ozark Highlands; 148 Upper Mississippi; 149 Lower Mississippi; 150 Teays–Old Ohio; 151 Cumberland; 152 Tennessee; 153 Mobile Bay; 154 West Florida Gulf; 155 Apalachicola; 156 Florida Peninsula; 157 Appalachian Piedmont; 158 Chesapeake Bay; 159 Southern California Coastal– Baja California; 160 Sonora; 161 Guzman–Samalayuca; 162 Sinaloa; 163 Mayran–Viesca; 164 Rio Santiago; 165 Lerma–Chapala; 166 Llanos El Salado; 167 Panuco; 168 Ameca–Manantlan; 169 Rio Balsas; 170 Sierra Madre del Sur; 171 Papaloapan; 172 Coatzacoalcos; 173 Grijalva–Usumacinta; 174 Upper Usumacinta; 175 Yucatan; 176 Bermuda. Not all the regions indicated on the map have records of characiforms.