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Boesemani rainbowfish (Melanotaenia boesemani)
Photo: Mattia Nocciola · CC BY-SA 4.0 via Wikimedia Commons

Boesemani rainbowfish

Melanotaenia boesemani · Melanotaeniidae

Also known as Boeseman's rainbow

Beginner

Half-orange, half-blue shoaler for hard water; colour takes a year to develop.

Minimum tank
200 L
Temperature
24–30 °C
pH
7–8.5
Adult size
11 cm
Group size
6+
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Care requirements
Minimum tank volume
200 L
Temperature
24–30 °C
pH
7–8.5
Hardness
8–25 dGH
Lifespan
5–8 years
Diet
Omnivore — flake, pellets, frozen brine shrimp.
Care level
Beginner
Origin & habitat
Native region
Ayamaru lakes, West Papua
Water type
Freshwater
Biotope
Weedy, hard-water lakes
Natural conditions
Warm, hard, alkaline, plant-rich water.
Behaviour & stocking
Temperament
Peaceful
Minimum group
6 fish
Swims
All levels
Good tank mates
Corydoras
Bristlenose pleco
Larger tetras
Denison barb
Avoid
Nano shrimp
Timid slow fish
Breeding & difficulty
Breeding difficulty
Intermediate
Sexing
Males are deeper-bodied and far more colourful.
Notes
Daily egg-layer in spawning mops; fry need very fine food.
Common ailments
Ich
Fungal infections in cool water

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