n = 10
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Tandanus ater | (Perugis, 1894) | Neosilurus ater | Plotosidae | Narrowfront tandan |
| Tandanus bellingerensis | Welsh, Jerry, Burrows & Rourke, 2017 | Tandanus bellingerensis | Plotosidae | |
| Tandanus bostocki | Whitley, 1944 | Tandanus bostocki | Plotosidae | Freshwater cobbler |
| Tandanus brevidorsalis | (Günther, 1867) | Neosilurus brevidorsalis | Plotosidae | Shortfin tandan |
| Tandanus coatesi | Allen, 1985 | Neosilurus coatesi | Plotosidae | |
| Tandanus equinus | (Weber, 1913) | Neosilurus equinus | Plotosidae | Southern tandan |
| Tandanus idenburgi | (Nichols, 1940) | Neosilurus idenburgi | Plotosidae | Idenburg tandan |
| Tandanus obscurus | (Günther, 1864) | Plotosus limbatus | Plotosidae | Darkfin eel catfish |
| Tandanus tandanus | (Mitchell, 1838) | Tandanus tandanus | Plotosidae | Australian freshwater catfish |
| Tandanus tropicanus | Welsh, Jerry & Burrows, 2014 | Tandanus tropicanus | Plotosidae |