Arawana
Osteoglossum bicirrhosum
Osteoglossidae
Moderate
Parameter dashboard
Temperature
24-30 °C
pH
6-7.5
Size
90 cm
Lifespan
20 years
Min tank1000 L
Price$$$$
DietOmnivore
TemperamentSemi-aggressive
OriginSouth America
Shrimp-safeNo
Care guide
Arawana requires a minimum tank size of 1000L with temperatures between 24-30°C and pH 6.0-7.5. It is an omnivorous species.
Tankmate compatibility (sample)
Pairwise screening against other species in the database (prioritizing the same family when data is available).
Review first (11)
Caution or avoid from automated rules — confirm before mixing.
| Species | Assessment | Notes |
|---|---|---|
| Adolf's catfish Corydoras adolfoi Caution | Caution | Fish 2x+ larger may eat smaller tankmates Open pair in Compare → |
| Agassiz's dwarf cichlid Apistogramma agassizii Caution | Caution | Fish 2x+ larger may eat smaller tankmates Open pair in Compare → |
| Almorha loach Botia almorhae Caution | Caution | Fish 2x+ larger may eat smaller tankmates Open pair in Compare → |
| Amano Shrimp Caridina multidentata 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 · Multiple territorial species in the same swim layer cause stress Open pair in Compare → |
| Assassin Snail Anentome helena Caution | Caution | Fish 2x+ larger may eat smaller tankmates Open pair in Compare → |
| Badis Badis badis Caution | Caution | Fish 2x+ larger may eat smaller tankmates · Multiple territorial species in the same swim layer cause stress Open pair in Compare → |
| Bamboo Shrimp Atyopsis moluccensis Caution | Caution | Fish 2x+ larger may eat smaller tankmates Open pair in Compare → |
| Banded cichlid Heros severus var. Caution | Caution | Fish 2x+ larger may eat smaller tankmates · Multiple territorial species in the same swim layer cause stress Open pair in Compare → |
| Asian Stone Catfish Hara jerdoni Avoid | Avoid | Fish 2x+ larger may eat smaller tankmates · Species with non-overlapping temperature ranges cannot coexist Open pair in Compare → |
1 species with compatible assessment in this sampleCollapse to hide the list; use “Open pair in Compare” for the full matrix.
| Species | Assessment | Notes |
|---|---|---|
| Black Arowana Osteoglossum ferreirae 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.
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