Ecoregions
| ID | Realm | Major Habitat Type | Ecoregion |
|---|---|---|---|
| 176 | Nearctic | Oceanic Islands | Bermuda |
| 201 | Neotropic | Tropical and subtropical coastal rivers | Chiapas - Fonseca |
| 202 | Neotropic | Tropical and subtropical coastal rivers | Quintana Roo - Motagua |
| 203 | Neotropic | Tropical and subtropical coastal rivers | Mosquitia |
| 204 | Neotropic | Tropical and subtropical coastal rivers | Estero Real - Tempisque |
| 205 | Neotropic | Tropical and subtropical coastal rivers | San Juan (Nicaragua/Costa Rica) |
| 206 | Neotropic | Tropical and subtropical coastal rivers | Chiriqui |
| 207 | Neotropic | Tropical and subtropical coastal rivers | Isthmus Caribbean |
| 208 | Neotropic | Tropical and subtropical coastal rivers | Santa Maria |
| 209 | Neotropic | Tropical and subtropical coastal rivers | Chagres |
| 210 | Neotropic | Tropical and subtropical coastal rivers | Rio Tuira |
| 211 | Neotropic | Tropical and subtropical coastal rivers | Cuba - Cayman Islands |
| 212 | Neotropic | Tropical and subtropical coastal rivers | Bahama Archipelago |
| 213 | Neotropic | Tropical and subtropical coastal rivers | Jamaica |
| 214 | Neotropic | Tropical and subtropical coastal rivers | Hispaniola |