n = 14
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Synbranchus afer | Boulenger, 1909 | Ophisternon afrum | Synbranchidae | Guinea swamp eel |
| Synbranchus bengalensis | (McClelland, 1844) | Ophisternon bengalense | Synbranchidae | Bengal eel |
| Synbranchus fuliginosus | Ranzani, 1839 | Synbranchus marmoratus | Synbranchidae | Marbled swamp eel |
| Synbranchus grammicus | Cantor, 1842 | Monopterus albus | Synbranchidae | Asian swamp eel |
| Synbranchus gutturalis | Richardson, 1845 | Ophisternon gutturale | Synbranchidae | Australian swamp eel |
| Synbranchus immaculatus | Bloch, 1795 | Synbranchus marmoratus | Synbranchidae | Marbled swamp eel |
| Synbranchus infernalis | (Hubbs, 1938) | Ophisternon infernale | Synbranchidae | Blind swamp eel |
| Synbranchus lampreia | Favorito, Zanata & Assumpção, 2005 | Synbranchus lampreia | Synbranchidae | |
| Synbranchus madeirae | Rosen & Rumney, 1972 | Synbranchus madeirae | Synbranchidae | |
| Synbranchus marmoratus | Bloch, 1795 | Synbranchus marmoratus | Synbranchidae | Marbled swamp eel |
| Synbranchus mercedarius | Weyenbergh, 1877 | Synbranchus marmoratus | Synbranchidae | Marbled swamp eel |
| Synbranchus pardalis | Valenciennes, 1836 | Synbranchus marmoratus | Synbranchidae | Marbled swamp eel |
| Synbranchus vittatus | Castelnau, 1855 | Synbranchus marmoratus | Synbranchidae | Marbled swamp eel |
| Synbranchus xanthognathus | Richardson, 1845 | Monopterus albus | Synbranchidae | Asian swamp eel |