Possible Compatible Species for Serrasalmus rhombeus
Note: This is a rule based search which makes certain assumptions based on characteristics including size, temperament, temperature and pH. As with all advice, please use common sense before combining any two species.
| Scientific Name | Common Names | Synonyms | Family | |
| Serrasalmus rhombeus | Black Piranha Niger Piranha Rhom Piranha White Piranha | Serralamus niger | Characidae | |
| Archocentrus spinosissimus | Spiney Cichlid Spinner Cichlid Spinos Cichlid | Cichlasoma immaculata Cichlasoma spinosissimum immaculata Cichlasoma spinosissimus Heros spinosissimus | Cichlidae | |
| Tetraodon mbu | Giant Puffer Mbu Puffer | Tetrodon mbu | Tetraodontidae | |
 | Leptobarbus hoevenii | Cigar Shark Mad Barb | Barbus hoevenii | Cyprinidae |
 | Amphilophus citrinellus | Midas Cichlid | Amphilophus citrinellum Archocentrus citrinellus Cichlasoma citrinella Cichlasoma citrinellum Herichthys citrinellus Heros citrinellus | Cichlidae |
 | Labeo chrysophekadion | Black Labeo Black Shark Black Sharkminnow | Morulius chrysophekadion Rohita chrysophekadion | Cyprinidae |
 | Thorichthys meeki | Firemouth Cichlid | Cichlasoma hyorhynchum Cichlasoma meeki Herichthys meeki Heros meeki Thorichthys helleri meeki Thorichthys meeki | Cichlidae |