Tank setup
A minimum 200L aquarium suits Galaxea. Match décor to natural behaviour — plants, rockwork, or open swimming room as needed.
pH
8.1 - 8.4
Temperature
24° - 27 °C
Max size
20 cm
Min tank
200 L
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What to know before you buy.
A starburst coral with attractive polyps and sweeper tentacles that reach far further than most keepers expect. Beautiful, but budget serious space around it.
Select a tank to see how this species fits.
Everything you need to keep Galaxea healthy in a South African setup.
A minimum 200L aquarium suits Galaxea. Match décor to natural behaviour — plants, rockwork, or open swimming room as needed.
Keep pH 8.1–8.4 and 24–27°C. Stable parameters matter more than chasing perfect numbers — acclimate new arrivals slowly.
Galaxea is photosynthetic; benefits from feeding. Feed a varied diet appropriate for invertebrates — quality flakes, pellets, or frozen foods sized to the mouth.
Galaxea is generally very long, aggressive sweeper tentacles. Observe during feeding and at lights-out for true temperament.
Pair with similarly sized very long, aggressive sweeper tentacles tankmates in invertebrates. Avoid fin-nippers or species that outgrow this fish.
Breeding notes for Galaxea vary by line and water chemistry — ask your local shop about proven pairs in SA.
From hobbyists across SA.
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Species that typically work alongside Galaxea in a similar setup.
Hammer Coral
Euphyllia ancora
Kenya Tree Coral
Capnella sp.
Zoanthid Colony (various colors)
Zoanthus sp.
Frogspawn Coral
Euphyllia divisa
Green Star Polyp
Pachyclavularia violacea
Candy Cane Coral
Caulastrea furcata
Acanthastrea
Acanthastrea spp.
Acropora Coral
Acropora spp.