Possible Compatible Species for Corydoras pygmaeus
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 | |
 | Corydoras guapore | Guapore Cory | Callichthyidae | |
| Rasbora borapetensis | Blackline Rasbora Brilliant Rasbora Red-tailed Rasbora | Cyprinidae | ||
 | Corydoras leopardus | Leopard Catfish Leopard Cory | Callichthyidae | |
 | Melanotaenia duboulayi | Crimson Spot Rainbowfish Duboulay's Rainbowfish | Melanotaeniidae | |
| Melanotaenia parva | Lake Kuomai rainbowfish Sunset dwarf rainbowfish | Melanotaeniidae | ||
 | Corydoras arcuatus | Arched Cory Skunk Cory | Callichthyidae | |
| Corydoras ornatus | Ornate Cory | Callichthyidae | ||
 | Pseudepiplatys annulatus | Clown Killifish Clown Panchax Rocket Killifish Rocket Panchax | Aplocheilus annulatus Epiplatys annulatus Haplochilus annulatus Panchax annulatus | Aplocheilidae |
 | Corydoras elegans | Elegant Cory | Corydoras pestai | Callichthyidae |
 | Corydoras bilineatus | San Juan Cory | Callichthyidae | |
 | Hyphessobrycon haraldschultzi | Harold Schultz Tetra | Hemigrammus haraldschultzi | Characidae |
 | Gasteropelecus sternicla | Common Hatchet Common Hatchetfish River Hatchet Silver Hatchet | Clupea sternicla | Gasteropelecidae |
 | Corydoras habrosus | Dainty Cory Salt and Pepper Catfish | Callichthyidae | |
| Danio kerri | Blue Danio | Danio kerri | Cyprinidae | |
 | Puntius nigrofasciatus | Black Ruby Barb | Barbus nigrofasciatus | Cyprinidae |
 | Nannacara anomala | Golden Acara Golden Dwarf Acara Goldeneye Dwarf Acara Lattice Cichlid | Cichlidae | |
 | Chela caeruleostigmata | Blue Hatchetfish Flying Barb Leaping Barb Siamese Hatchetfish | Laubuca caeruleostigmata | Cyprinidae |
 | Ladigesia roloffi | Jelly Bean Tetra | Alestiidae | |
| Danio choprai | Copper Danio Glowlight Danio | Cyprinidae | ||
 | Betta albimarginata | Whiteseam betta | Belontiidae |