Tank setup
A minimum 120L aquarium suits Green-Blue Chromis. Provide hiding spots and stable water — this species thrives in a well-filtered community setup.
Where to buy
Compare prices from SA aquarium shops listing Green-Blue Chromis.
Community Marketplace
Fellow hobbyists may also be selling Green-Blue Chromis.
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Overview
What to know before you buy.
The Green-Blue Chromis is a staple of the saltwater hobby, loved for its iridescent, electric blue-green color and peaceful (for a damselfish) demeanor. They are an active, shoaling species that should be kept in groups of at least 5-7. In the aquarium, they create a beautiful 'dither' effect, swimming actively in the water column and encouraging shyer fish to come out. They are reef-safe, hardy, and easy to feed. An interesting, though sometimes challenging, aspect of their behavior is their tendency to establish a pecking order, often leading to the 'alpha' fish bullying weaker individuals over time.
Key traits
peaceful
schooling
community
reef safe
small
easy
omnivore
shoaling
Compatibility
Select a tank to see how this species fits.
Care guide
Everything you need to keep Green-Blue Chromis healthy in a South African setup.
Water parameters
Keep pH 8.1–8.4 and 24–27°C. Stable parameters matter more than chasing perfect numbers — acclimate new arrivals slowly.
Feeding
Green-Blue Chromis is omnivore. Feed a varied diet appropriate for saltwater fish — quality flakes, pellets, or frozen foods sized to the mouth.
Behaviour
Green-Blue Chromis is generally peaceful. Keep in a group where possible for natural behaviour.
Tankmates
Pair with similarly sized peaceful tankmates in saltwater fish. Avoid fin-nippers or species that outgrow this fish.
Breeding
Breeding notes for Green-Blue Chromis vary by line and water chemistry — ask your local shop about proven pairs in SA.
Keeping marine fish?
Marine chemistry moves daily — the foundation sets keep calcium, alkalinity and magnesium honest.
Availability confirmed with the distributor before dispatch · free delivery over r750
Community photos
From hobbyists across SA.
Photo by FishHubAdmin
Market intelligence
Price trends and buyer demand — data only FishHub tracks.
Price history — last 90 days
SA price range this month: R200–200 · Average: R200
This data is unique to FishHub
Demand by province
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Often kept with
Real pairwise verdicts for Green-Blue Chromis, not a same-category guess. Always confirm adult size and your tank's specifics before buying.
- Often kept together
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In a 120L+ tank
- Often kept together
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Six-spot Goby
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- Often kept together
Fire Shrimp (Blood Red Shrimp)
Lysmata debelius
In a 120L+ tank
- Often kept together
Zoanthid Colony (various colors)
Zoanthus sp.
In a 120L+ tank
- Often kept together
Flame Angelfish
Centropyge loricula
In a 120L+ tank
- Often kept together
Six Line Wrasse
Pseudocheilinus hexataenia
In a 120L+ tank
- Often kept together
Banded Boxing Shrimp
Stenopus hispidus
In a 120L+ tank