Goldie River rainbowfish
Melanotaenia goldiei
- Adult size
- 8 cm3 in
- Group
- 6+
- Tank length
- 120 cmabout 4 ft (47 in)
- Lifespan
- 5–8 yrs
- Temperature
- 24–33 °C75–91 °F
- pH
- 7–7.8
- Hardness
- 5–15 dGH
- Diet
- omnivore
A robust, active rainbow that needs a long tank and a sizeable group so males spread their displays out.A robust, active rainbow that needs a long tank and a sizeable group so males spread their displays out.
Tank sizes
Good tankmates
Avoid with
- Brilliant rasbora
No shared pH rangeNo shared pH range
Lambchop rasboraNo shared pH rangeNo shared pH range
- African pike
African pike may eat Goldie River rainbowfishAfrican pike may eat Goldie River rainbowfish
- Alligator gar
Alligator gar may eat Goldie River rainbowfishAlligator gar may eat Goldie River rainbowfish
- Altum angelfish
No shared pH rangeNo shared pH range
- Amazon leaffish
No shared pH rangeNo shared pH range
- Antenna ray
Antenna ray may eat Goldie River rainbowfishAntenna ray may eat Goldie River rainbowfish
- Arapaima
Arapaima may eat Goldie River rainbowfishArapaima may eat Goldie River rainbowfish
- Asian arowana
Asian arowana may eat Goldie River rainbowfishAsian arowana may eat Goldie River rainbowfish
- Atahualpa dwarf cichlid
No shared pH rangeNo shared pH range
- Australian pearl arowana
Australian pearl arowana may eat Goldie River rainbowfishAustralian pearl arowana may eat Goldie River rainbowfish
- Barred bichir
Barred bichir may eat Goldie River rainbowfishBarred bichir may eat Goldie River rainbowfish
Sources
| temperature | 24–33 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low |
|---|---|---|
| ph | 7–7.8 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04; agrees with FishBase (fishbase.se), retrieved 2026-10-04 · medium |
| gh | 5–15 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · medium |
| origin | Lowland streams of southern New Guinea | curated-v0 (needs expert review) · low |
| notes | A robust, active rainbow that needs a long tank and a sizeable group so males sp | 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 | #B8C0B0, #E0B040, #D85A3A | 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 | 120 | curated-v0 (needs expert review) · medium |
| body shape | rainbow | curated-v0 (needs expert review) · medium |