Irian Jaya rainbowfish
Melanotaenia irianjaya
- Adult size
- 9 cm4 in
- Group
- 6+
- Tank length
- 100 cmabout 3 ft (39 in)
- Lifespan
- 5–8 yrs
- Temperature
- 27–28 °C81–82 °F
- pH
- 7.3–7.8
- Hardness
- 5–15 dGH
- Diet
- omnivore
Keep a group with more females than males in a long, open tank; colours peak in mature fish with good light and swimming room.Keep a group with more females than males in a long, open tank; colours peak in mature fish with good light and swimming room.
Tank sizes
Good tankmates
None recorded.
Avoid with
- African clawed frog
No shared temperature rangeNo shared temperature range
- American flagfish
No shared temperature rangeNo shared temperature range
AnacharisNo shared temperature rangeNo shared temperature range
- Bandit cory
No shared temperature rangeNo shared temperature range
- Black kuhli loach
No shared pH rangeNo shared pH range
- Black ruby barb
No shared temperature rangeNo shared temperature range
- Blackline rasbora
No shared temperature rangeNo shared temperature range
- Blue acara
No shared temperature rangeNo shared temperature range
- Blue lyretail
No shared temperature rangeNo shared temperature range
- Brevis shell dweller
No shared temperature rangeNo shared temperature range
- Brilliant rasbora
No shared pH rangeNo shared pH range
- Buenos Aires tetra
No shared temperature rangeNo shared temperature range
Sources
| temperature | 27–28 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low |
|---|---|---|
| ph | 7.3–7.8 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low |
| gh | 5–15 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · medium |
| origin | Western New Guinea, Indonesia | curated-v0 (needs expert review) · low |
| notes | Keep a group with more females than males in a long, open tank; colours peak in | curated-v0 (needs expert review) · medium |
| beginner friendly | true | curated-v0 (needs expert review) · medium |
| care level | easy | curated-v0 (needs expert review) · medium |
| color palette | #A8B8C8, #D9584A, #E0B040 | curated-v0 (needs expert review) · low |
| activity | active | curated-v0 (needs expert review) · medium |
| swim zone | middle | curated-v0 (needs expert review) · medium |
| temperament | peaceful | curated-v0 (needs expert review) · medium |
| fin nipper | false | curated-v0 (needs expert review) · medium |
| long finned | false | curated-v0 (needs expert review) · medium |
| territorial | false | curated-v0 (needs expert review) · medium |
| schooling | true | curated-v0 (needs expert review) · medium |
| schooling min | 6 | curated-v0 (needs expert review) · medium |
| diet | omnivore | curated-v0 (needs expert review) · medium |
| lifespan years | 5–8 | curated-v0 (needs expert review) · low |
| growth to adult months | 12 | curated-v0 (needs expert review) · low |
| length weight | {"a":0.012,"b":3} | curated-v0 (needs expert review) · low |
| planted safe | true | curated-v0 (needs expert review) · medium |
| min tank length | 100 | curated-v0 (needs expert review) · medium |
| body shape | rainbow | curated-v0 (needs expert review) · medium |