Possible Compatible Species for Corydoras similis
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 | |
| Rasbora borapetensis | Blackline Rasbora Brilliant Rasbora Red-tailed Rasbora | Cyprinidae | ||
 | Melanotaenia duboulayi | Crimson Spot Rainbowfish Duboulay's Rainbowfish | Melanotaeniidae | |
| Xiphophorus nezahualcoyotl | Montezuma Swordtail Nezzy Swordtail Spotted Swordtail | Xiphophorus montezumae | Poeciliidae | |
| Melanotaenia angfa | ANGFA Rainbowfish Yakati Rainbowfish | Melanotaeniidae | ||
| Melanotaenia parva | Lake Kuomai rainbowfish Sunset dwarf rainbowfish | Melanotaeniidae | ||
 | Corydoras arcuatus | Arched Cory Skunk Cory | Callichthyidae | |
 | Hemichromis lifalili | Blood Red Jewel | Cichlidae | |
 | Epalzeorhynchos bicolor | Red Tailed Black Shark Redtail Shark | Labeo bicolor | Cyprinidae |
 | Corydoras bilineatus | San Juan Cory | Callichthyidae | |
 | Hyphessobrycon haraldschultzi | Harold Schultz Tetra | Hemigrammus haraldschultzi | Characidae |
| Danio kerri | Blue Danio | Danio kerri | Cyprinidae | |
 | Tetraodon biocellatus | Eye Spot Puffer Figure Eight Puffer | Chelonodon biocellatus | Tetraodontidae |
 | Chela caeruleostigmata | Blue Hatchetfish Flying Barb Leaping Barb Siamese Hatchetfish | Laubuca caeruleostigmata | Cyprinidae |
 | Bedotia geayi | Madagascar Rainbowfish Red Tailed Silverside Zona | Bedotia longianalis Bedotia tricolor | Bedotiidae |
 | Hemichromis bimaculatus | Blue Jewel | Cichlidae | |
 | Corydoras similis | Corydoras sp. "Violet" Smudge Spot Cory | Callichthyidae |