Tank setup
Size the aquarium to Australian Rainbowfish's adult size and activity level. Match décor to natural behaviour — plants, rockwork, or open swimming room as needed.
Back to Freshwater Fish
Freshwater Fish
Other Community Fish
Uncommon
Melanotaenia splendida
Loading listings...
Community Marketplace
Fellow hobbyists may also be selling Australian Rainbowfish.
Want Australian Rainbowfish?
Tell shops you're looking — be the first to signal demand.
What to know before you buy.
The Australian Rainbowfish is a hardy and active species with colorations that vary depending on its origin, often showing hues of green, blue, and yellow with red-spotted fins. They are a larger rainbowfish that adds a lot of motion and color to a community aquarium. Like all rainbowfish, they are best kept in a school.
Key traits
Select a tank to see how this species fits.
Everything you need to keep Australian Rainbowfish healthy in a South African setup.
Size the aquarium to Australian Rainbowfish's adult size and activity level. Match décor to natural behaviour — plants, rockwork, or open swimming room as needed.
Keep pH 6.5–8 and 20–28°C. Stable parameters matter more than chasing perfect numbers — acclimate new arrivals slowly.
Australian Rainbowfish is an omnivore. Feed a varied diet appropriate for freshwater fish — quality flakes, pellets, or frozen foods sized to the mouth.
Australian Rainbowfish is generally peaceful. Keep in a group where possible for natural behaviour.
Pair with similarly sized peaceful tankmates in freshwater fish. Avoid fin-nippers or species that outgrow this fish.
Breeding notes for Australian Rainbowfish vary by line and water chemistry — ask your local shop about proven pairs in SA.
From hobbyists across SA.
Price trends and buyer demand — data only FishHub tracks.
SA price range this month: R45–250 · Average: R123
This data is unique to FishHub
No active alerts for Australian Rainbowfish yet. Be the first to set one.
Species that typically work alongside Australian Rainbowfish in a similar setup.
Black Tiger Dario
Dario sp. ‘Myanmar’
Borneo Sucker
Gastromyzon punctulatus
Clown Killifish
Epiplatys annulatus
Boeseman's Rainbowfish
Melanotaenia boesemani
Bluefin Killifish
Lucania goodei
Giant Gourami
Osphronemus goramy
Kissing Gourami
Helostoma temminckii
Golden Wonder Killifish
Aplocheilus lineatus