Threadfin rainbowfish
Iriatherina werneri
Melanotaeniidae
Moderate
Parameter dashboard
Temperature
22-30 °C
pH
6-8
Size
4 cm
Lifespan
3 years
Min tank40 L
Price$$
DietOmnivore
TemperamentPeaceful
OriginAsia
Shrimp-safeYes
Care guide
Iriatherina werneri requires a tank size of at least 40L with temperatures between 22.0-30.0°C and pH levels between 6.0-8.0.
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 |
|---|---|---|
| Almorha loach Botia almorhae Caution | Caution | Fish 2x+ larger may eat smaller tankmates Open pair in Compare → |
| Arawana Osteoglossum bicirrhosum Caution | Caution | Fish 2x+ larger may eat smaller tankmates Open pair in Compare → |
| Asian bumblebee catfish Leiocassis siamensis Caution | Caution | Fish 2x+ larger may eat smaller tankmates Open pair in Compare → |
| Assamese snakehead Channa stewartii Caution | Caution | Fish 2x+ larger may eat smaller tankmates Open pair in Compare → |
| Boeseman's rainbowfish Melanotaenia boesemani Caution | Caution | Fish 2x+ larger may eat smaller tankmates Open pair in Compare → |
| Red rainbowfish Glossolepis incisus 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 |
|---|---|---|
| Adolf's catfish Corydoras adolfoi Compatible | Compatible | No rule-based conflicts detected for this pair. Open pair in Compare → |
| Agassiz's dwarf cichlid Apistogramma agassizii Compatible | Compatible | No rule-based conflicts detected for this pair. Open pair in Compare → |
| Amano Shrimp Caridina multidentata Compatible | Compatible | No rule-based conflicts detected for this pair. Open pair in Compare → |
| Asian Stone Catfish Hara jerdoni Compatible | Compatible | No rule-based conflicts detected for this pair. Open pair in Compare → |
| Assassin Snail Anentome helena Compatible | Compatible | No rule-based conflicts detected for this pair. Open pair in Compare → |
| Dwarf rainbowfish Melanotaenia praecox 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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