| Scientific Name | FishBase Name | Territory | Locality | Date taken | Photo |
|---|---|---|---|---|---|
| Ariopsis assimilis | Mayan sea catfish | Guatemala | Laguna Lachua, Coban, Alta Verapaz |  |
|
| Atherinella schultzi | Chimalapa silverside | Guatemala | Laguna Lachua, Coban, Alta Verapaz |  |
|
| Batrachoides goldmani | Mexican freshwater toadfish | Guatemala | Laguna Lachua |  |
|
| Eugerres mexicanus | Guatemala | Laguna Lachua |  |
||
| Hyphessobrycon compressus | Mayan tetra | Guatemala | Laguna Lachua |  |
|
| Hyporhamphus mexicanus | Mexican halfbeak | Guatemala | Laguna Lachua, Coban, Alta Verapaz |  |
|
| Parachromis friedrichsthalii | Yellowjacket cichlid | Guatemala | Laguna Lachua, Coban, Alta Verapaz |  |
|
| Potamarius nelsoni | Lacandon sea catfish | Guatemala | Laguna Lachua, Coban, Alta Verapaz |  |
|
| Strongylura hubbsi | Maya needlefish | Guatemala | Laguna Lachua, Coban, Alta Verapaz |  |
|
| Thorichthys pasionis | Blackgullet cichlid | Guatemala | Laguna Lachua, Coban, Alta Verapaz |  |