Murray River Rainbowfish
Melanotaenia fluviatilis
Murray River Rainbowfish is a peaceful middle-to-top swimmer.
Save this fish or add it directly to one of your aquariums.
Quick facts
- Adult size
- ≤ 10 cm (≤ 3.9 in)
- Aquarium size
- 180 L or larger
- Care level
- Beginner – Intermediate
- Temperament
- Peaceful
- Swimming zone
- Middle to top swimmer
- Temperature
- 20–25 °C
- pH
- 6.5–8.5
- GH
- 8–25 dGH
- Diet
- Omnivore
- Lifespan
- up to 8 years
Care requirements
Care level: Beginner – Intermediate.
Lifespan: up to 8 years.
Aquarium size and space needs
Minimum aquarium size: 180 L or larger. Plan the layout and stocking within that limit.
Water parameters
Suitable water: temperature 20–25 °C, pH 6.5–8.5, GH 8–25 dGH.
Temperament and compatibility
Murray River Rainbowfish is peaceful and suits calm community fish.
Swimming zone and behavior
This fish uses the middle to upper part of the aquarium, so leave enough open swimming space for movement and feeding.
Feeding
As an omnivore, Murray River Rainbowfish should receive a varied diet rather than one repeated food type.
Natural habitat and origin
Origin: Australia.
Before adding this fish
- Plan for an aquarium of 180 L or larger.
- Avoid aggressive or highly competitive fish.
- Offer a varied diet that matches this species.
Similar fish profiles
Use these profiles to compare fish with similar care level, size, temperature range, or swimming behavior.
FAQ
How large does Murray River Rainbowfish get?
Murray River Rainbowfish reaches ≤ 10 cm (≤ 3.9 in).
What aquarium size does Murray River Rainbowfish need?
Use an aquarium of at least 180 L or larger.
Is Murray River Rainbowfish peaceful?
Yes. Murray River Rainbowfish is recorded as peaceful and is best planned with calm community fish that do not harass it or dominate the feeding area.
What temperature is suitable for Murray River Rainbowfish?
Keep it between 20 to 25 °C.