Neon tetra
Paracheirodon innesi
Characidae
Easy
Parameter dashboard
Temperature
21-25 °C
pH
5-7
Size
2.5 cm
Lifespan
5 years
Min tank40 L
Price$
DietOmnivore
TemperamentPeaceful
OriginSouth America
Shrimp-safeYes
Care guide
Neon tetras are peaceful, small fish that thrive in schools. They require a minimum tank size of 40L and a temperature range of 21-25°C. They can tolerate a pH range of 5.0-7.0.
Tankmate compatibility (sample)
Pairwise screening against other species in the database (prioritizing the same family when data is available).
Review first (6)
Caution or avoid from automated rules — confirm before mixing.
| Species | Assessment | Notes |
|---|---|---|
| Black tetra Gymnocorymbus ternetzi Caution | Caution | Fish 2x+ larger may eat smaller tankmates Open pair in Compare → |
| Bleeding-heart tetra Hyphessobrycon erythrostigma Caution | Caution | Fish 2x+ larger may eat smaller tankmates Open pair in Compare → |
| Buenos Aires tetra Hyphessobrycon anisitsi Caution | Caution | Fish 2x+ larger may eat smaller tankmates Open pair in Compare → |
| Colombian Tetra Hyphessobrycon columbianus Caution | Caution | Fish 2x+ larger may eat smaller tankmates Open pair in Compare → |
| Diamond tetra Moenkhausia pittieri Caution | Caution | Fish 2x+ larger may eat smaller tankmates Open pair in Compare → |
| Glass bloodfin Prionobrama filigera Caution | Caution | Fish 2x+ larger may eat smaller tankmates Open pair in Compare → |
6 species with compatible assessment in this sampleCollapse to hide the list; use “Open pair in Compare” for the full matrix.
| Species | Assessment | Notes |
|---|---|---|
| Black neon tetra Hyphessobrycon herbertaxelrodi Compatible | Compatible | No rule-based conflicts detected for this pair. Open pair in Compare → |
| Black phantom tetra Hyphessobrycon megalopterus Compatible | Compatible | No rule-based conflicts detected for this pair. Open pair in Compare → |
| Blackline penguinfish Thayeria boehlkei Compatible | Compatible | No rule-based conflicts detected for this pair. Open pair in Compare → |
| Cardinal tetra Paracheirodon axelrodi Compatible | Compatible | No rule-based conflicts detected for this pair. Open pair in Compare → |
| Ember tetra Hyphessobrycon amandae Compatible | Compatible | No rule-based conflicts detected for this pair. Open pair in Compare → |
| Glowlight tetra Hemigrammus erythrozonus Compatible | Compatible | No rule-based conflicts detected for this pair. Open pair in Compare → |
Same rule engine as Compare. Not a substitute for observation, tank size, or acclimation.
Related species
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