Can these fish live together?
Check water-range overlaps and known behavior concerns before choosing tankmates.
Freshwater planning for 8 reviewed fish. Each profile links to its care source; check the complete care needs before buying.
Coverage & planning method
Tank lengths and heights, group suggestions, beginner classifications, narrowed ranges, and some volume thresholds are conservative editorial choices. Rasbora ranges center on the source’s targets. These are screening rules, not tolerance limits or a total stocking capacity. The larger aquarium directory includes fish without reviewed care data.
Review these concerns
- The planning temperature ranges do not overlap.
- Danios can outcompete or nip a slow betta; avoid this pairing.
Unknown hardness and missing pH data need a separate check. Matching ranges do not guarantee compatibility. These tools do not assess disease, sex ratios, plants, filtration, or a tank’s biological maturity.
Care references
Southern platy care — Aquarium Co-Op
Zebra danio care — Aquarium Co-Op
Ember tetra care — Aquarium Co-Op
Harlequin rasbora care — Aquarium Co-Op