Tank setup
Size the aquarium to Blue Damselfish's adult size and activity level. Match décor to natural behaviour — plants, rockwork, or open swimming room as needed.
pH
8 - 8.4
Temperature
24° - 27 °C
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What to know before you buy.
A very popular, electric blue fish known for its extreme hardiness. While generally small, they can become quite territorial towards similar-sized tank mates.
Key traits
Select a tank to see how this species fits.
Everything you need to keep Blue Damselfish healthy in a South African setup.
Size the aquarium to Blue Damselfish's adult size and activity level. Match décor to natural behaviour — plants, rockwork, or open swimming room as needed.
Keep pH 8–8.4 and 24–27°C. Stable parameters matter more than chasing perfect numbers — acclimate new arrivals slowly.
Blue Damselfish is an omnivore. Feed a varied diet appropriate for saltwater fish — quality flakes, pellets, or frozen foods sized to the mouth.
Blue Damselfish is generally peaceful. Observe during feeding and at lights-out for true temperament.
Pair with similarly sized peaceful tankmates in saltwater fish. Avoid fin-nippers or species that outgrow this fish.
Breeding notes for Blue Damselfish 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.
Price tracking started 18 Jul 2026 — chart builds as listings are updated
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Species that typically work alongside Blue Damselfish in a similar setup.
Leopard Wrasse
Macropharyngodon spp.
Goby Randall’s
Amblyeleotris randalli
Goby Watchman Yellow
Cryptocentrus cinctus
Tailspot Blenny
Ecsenius stigmatura
Ocellaris Clownfish
Amphiprion ocellaris
Midas Blenny
Ecsenius midas
Goby Firefish
Nemateleotris magnifica
Flasher Wrasse
Paracheilinus spp.