Lake Kutubu Rainbowfish
Melanotaenia lacustris
Lake Kutubu Rainbowfish is a peaceful middle swimmer.
Save this fish or add it directly to one of your aquariums.
Quick facts
- Adult size
- ≤ 12.5 cm (≤ 4.9 in)
- Aquarium size
- 200 L or larger / ≥ 120 cm (≥ 47.2 in) minimum length
- Care level
- Intermediate
- Temperament
- Peaceful
- Swimming zone
- Middle swimmer
- Temperature
- 21–26 °C
- pH
- 7–8.5
- GH
- 8–25 dGH
- Diet
- Omnivore
- Lifespan
- up to 8 years
Care requirements
Care level: Intermediate.
Lifespan: up to 8 years.
Aquarium size and space needs
Minimum aquarium size: 200 L or larger / ≥ 120 cm (≥ 47.2 in) minimum length. Plan the layout and stocking within that limit.
Water parameters
Suitable water: temperature 21–26 °C, pH 7–8.5, GH 8–25 dGH.
Temperament and compatibility
Lake Kutubu Rainbowfish is peaceful and suits calm community fish.
Swimming zone and behavior
This fish uses the middle part of the aquarium, so leave enough open swimming space for movement and feeding.
Feeding
As an omnivore, Lake Kutubu Rainbowfish should receive a varied diet rather than one repeated food type.
Natural habitat and origin
Origin: Papua New Guinea.
Before adding this fish
- Plan for an aquarium of 200 L or larger / ≥ 120 cm (≥ 47.2 in) minimum length.
- 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 Lake Kutubu Rainbowfish get?
Lake Kutubu Rainbowfish reaches ≤ 12.5 cm (≤ 4.9 in).
What aquarium size does Lake Kutubu Rainbowfish need?
Use an aquarium of at least 200 L or larger / ≥ 120 cm (≥ 47.2 in) minimum length.
Is Lake Kutubu Rainbowfish peaceful?
Yes. Lake Kutubu 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 Lake Kutubu Rainbowfish?
Keep it between 21 to 26 °C.