| Scientific Name | FishBase Name | Territory | Locality | Date taken | Photo |
|---|---|---|---|---|---|
| Atherinella schultzi | Chimalapa silverside | Mexico | Coatzacoalcos River, Oaxaca |  |
|
| Dactyloscopus amnis | Riverine stargazer | Mexico | Oaxaca |  |
|
| Vieja guttulata | Amatitlan cichlid | Mexico | Oaxaca |  |
|
| Profundulus mixtlanensis | Mexico | Oaxaca |  |
||
| Profundulus oaxacae | Mexico | Atoyac River basin |  |
||
| Profundulus oaxacae | Mexico | Atoyac River basin |  |
||
| Thorichthys callolepis | San Domingo cichlid | Mexico | Coatzacoalcos River, Oaxaca |  |
|
| Xiphophorus clemenciae | Yellow swordtail | Mexico | Coatzacoalcos River, Oaxaca |  |