The list below is ordered by the number of Species by number of registered breeders per species. Click the column heading links to sort in different orders, click on the numbers to drill down into the detail.
| Rank | Species | Keepers | Breeders | Wishes | Sightings |
| 1. | 0 | 20 | 6 | 78 | |
| 2. | 0 | 17 | 7 | 52 | |
| 3. | 2 | 2 | 0 | 13 | |
| 4. | 3 | 1 | 0 | 1 | |
| 5. | 2 | 1 | 0 | 2 | |
| 6. | 1 | 1 | 0 | 2 | |
| 7. | 1 | 1 | 0 | 7 | |
| 8. | 5 | 1 | 0 | 11 | |
| 9. | 2 | 1 | 0 | 4 | |
| 10. | 9 | 1 | 0 | 14 | |
| 11. | 6 | 1 | 0 | 12 | |
| 12. | 10 | 1 | 0 | 12 | |
| 13. | 3 | 1 | 1 | 5 | |
| 14. | 4 | 1 | 0 | 1 | |
| 15. | 3 | 1 | 0 | 1 | |
| 16. | 1 | 1 | 0 | 1 | |
| 17. | 3 | 1 | 0 | 1 | |
| 18. | 1 | 1 | 0 | 1 | |
| 19. | 1 | 1 | 0 | 1 | |
| 20. | 1 | 1 | 0 | 2 | |
| 21. | 1 | 1 | 0 | 1 | |
| 22. | 1 | 1 | 0 | 1 | |
| 23. | 1 | 1 | 0 | 2 | |
| 24. | 3 | 1 | 0 | 1 | |
| 25. | 1 | 1 | 0 | 1 | |
| 26. | 1 | 1 | 0 | 1 | |
| 27. | 2 | 1 | 0 | 5 | |
| 28. | 1 | 1 | 0 | 1 | |
| 29. | 3 | 1 | 0 | 1 | |
| 30. | 13 | 1 | 0 | 4 | |
| 31. | 4 | 1 | 0 | 1 | |
| 32. | Poeciliopsis prolifica | 5 | 1 | 0 | 0 |
| 33. | 5 | 1 | 0 | 1 | |
| 34. | 7 | 1 | 0 | 3 | |
| 35. | Nomorhamphus ebrardtii | 2 | 1 | 0 | 0 |
| Totals | 108 | 71 | 14 | 244 |
/siluriformes/callichthyidae/osteogaster/venezuelanus/1.jpg "Osteogaster venezuelanus")
/siluriformes/callichthyidae/hoplisoma/weitzmani/1.jpg "Hoplisoma weitzmani")
/siluriformes/loricariidae/hypancistrus/zebra/1.jpg "Hypancistrus zebra")
/characiformes/acestrorhamphidae/psalidodon/anisitsi/1.jpg "Psalidodon anisitsi")
/beloniformes/adrianichthyidae/oryzias/latipes/1.jpg "Oryzias latipes")
/siluriformes/ailiidae/clupisoma/bastari/1.jpg "Clupisoma bastari")
/siluriformes/auchenipteridae/duringlanis/romani/1.jpg "Duringlanis romani")
/siluriformes/callichthyidae/gastrodermus/pygmaeus/1.jpg "Gastrodermus pygmaeus")
/siluriformes/callichthyidae/gastrodermus/sp%28c123%29/1.jpg "Gastrodermus sp. (C123)")
/siluriformes/callichthyidae/hoplisoma/paleatum/1.jpg "Hoplisoma paleatum")
/siluriformes/callichthyidae/hoplisoma/sterbai/1.jpg "Hoplisoma sterbai")
/siluriformes/callichthyidae/osteogaster/aenea/1.jpg "Osteogaster aenea")
/perciformes/cichlidae/apistogramma/agassizii/1.jpg "Apistogramma agassizii")
/perciformes/cichlidae/apistogramma/cacatuoides/1.jpg "Apistogramma cacatuoides")
/perciformes/cichlidae/benitochromis/batesii/1.jpg "Benitochromis batesii")
/perciformes/cichlidae/benitochromis/conjunctus/1.jpg "Benitochromis conjunctus")
/perciformes/cichlidae/benitochromis/finleyi/1.jpg "Benitochromis finleyi")
/perciformes/cichlidae/benitochromis/ufermanni/1.jpg "Benitochromis ufermanni")
/perciformes/cichlidae/haplochromis/vanheusdeni/1.jpg "Haplochromis vanheusdeni")
/perciformes/cichlidae/herotilapia/multispinosa/1.jpg "Herotilapia multispinosa")
/perciformes/cichlidae/laetacara/dorsigera/1.jpg "Laetacara dorsigera")
/perciformes/cichlidae/nanochromis/splendens/1.jpg "Nanochromis splendens")
/perciformes/cichlidae/pelvicachromis/pulcher/1.jpg "Pelvicachromis pulcher")
/cypriniformes/danionidae/danio/margaritatus/1.jpg "Danio margaritatus")
/characiformes/lebiasinidae/copella/arnoldi/1.jpg "Copella arnoldi")
/cypriniformes/leuciscidae/semotilus/atromaculatus/1.jpg "Semotilus atromaculatus")
/siluriformes/mochokidae/synodontis/multipunctatus/1.jpg "Synodontis multipunctatus")
/cyprinodontiformes/poeciliidae/heterandria/formosa/1.jpg "Heterandria formosa")
/cyprinodontiformes/poeciliidae/neoheterandria/elegans/1.jpg "Neoheterandria elegans")
/cyprinodontiformes/poeciliidae/poecilia/reticulata/1.jpg "Poecilia reticulata")
/cyprinodontiformes/poeciliidae/poecilia/sphenops/1.jpg "Poecilia sphenops")
/cyprinodontiformes/poeciliidae/xiphophorus/hellerii/1.jpg "Xiphophorus hellerii")
/cypriniformes/tanichthyidae/tanichthys/albonubes/1.jpg "Tanichthys albonubes")