Ecoregions
| ID | Realm | Major Habitat Type | Ecoregion |
|---|---|---|---|
| 215 | Neotropic | Tropical and subtropical coastal rivers | Puerto Rico - Virgin Islands |
| 216 | Neotropic | Tropical and subtropical coastal rivers | Windward & Leeward Islands |
| 217 | Oceania | Oceanic Islands | Cocos Island (Costa Rica) |
| 301 | Neotropic | Tropical and subtropical coastal rivers | North Andean Pacific Slopes - Rio Atrato |
| 302 | Neotropic | Tropical and subtropical upland rivers | Magdalena - Sinu |
| 303 | Neotropic | Large lakes | Maracaibo |
| 304 | Neotropic | Tropical and subtropical coastal rivers | South America Caribbean Drainages - Trinidad |
| 305 | Neotropic | Montane freshwaters | Orinoco High Andes |
| 306 | Neotropic | Montane freshwaters | Orinoco Piedmont |
| 307 | Neotropic | Tropical and subtropical floodplain rivers and wetland complexes | Orinoco Llanos |
| 308 | Neotropic | Tropical and subtropical upland rivers | Orinoco Guiana Shield |
| 309 | Neotropic | large river deltas | Orinoco Delta & Coastal Drainages |
| 310 | Neotropic | Tropical and subtropical upland rivers | Essequibo |
| 311 | Neotropic | Tropical and subtropical upland rivers | Guianas |
| 312 | Neotropic | Montane freshwaters | Amazonas High Andes |