Little Shop of Coral
Blue reef Chromis (Chromis Cyaneus)
Blue reef Chromis (Chromis Cyaneus)
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Blue Reef Chromis (Chromis cyanea)
The Blue Reef Chromis is one of the most striking schooling fish available in the marine aquarium hobby. They are native to the warm waters of the Caribbean, this active species shows an electric blue body that almost glows under reef lighting. Their constant movement and vibrant coloration make them an excellent addition to peaceful community aquariums.
Blue Reef Chromis are best kept in groups, allowing them to naturally school toget her. Although they are generally hardy and easy to care for, providing plenty of open swimming space and stable water conditions will help them thrive. Their peaceful nature makes them an excellent choice for both newer hobbyists and experienced reef keepers alike.
Suggested Parameters
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Temperature: 25–28°C (75–82°F)
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Salinity: 1.024–1.026
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pH: 8.1–8.4
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Alkalinity: 8–12 dKH
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Minimum aquarium size: 30g for 1 singular chromis and a minimum of 75g for groups
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Nitrate: Less than 20 ppm
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Phosphate: Less than 0.10 ppm
Care and Temperament
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Reef safe
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Peaceful temperament
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Best kept singly or in small groups
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Requires plenty of open swimming space
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Appreciates areas of rockwork for shelter
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Suitable for established reef aquariums
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Hardy once properly acclimated
Diet and Compatibility
Blue Reef Chromis are omnivores that readily accept a wide variety of foods, including high-quality marine pellets, flakes, frozen mysis shrimp, brine shrimp, copepods, and finely chopped seafood. Offering several small feedings throughout the day will help maintain their health and vibrant colouration.
They are generally compatible with clownfish, gobies, blennies, cardinalfish, basslets, fairy wrasses, and other peaceful reef inhabitants. Aggressive species should be avoided, as they may intimidate these active but gentle fish.
What exactly are you buying?
You will receive one healthy Blue Reef Chromis, carefully selected and conditioned before shipping.
Health and acclimation notes
As with all marine fish, we recommend a slow acclimation process to minimize stress and allow the fish to adjust comfortably to its new environment. Stable water parameters and a varied diet will help ensure long-term success.
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LIGHT
LOW: Place coral at the bottom of the tank. Depending on the type, coral may need to be placed off sand and therefore mounted on a ceramic disc of piece of rock.
MEDIUM: Place coral at mid-range of the tank. Best placed/glued on top of a rock scape at mid-range height.
HIGH: Place coral from mid range to just below water level. SPS coral are shallow growing so they require and are able to tolerate intense light.
FLOW
LOW: Most soft coral do well with a small, gentle pulse. There are certain corals that can even be placed in areas of indirect flow, meaning places aside a rock structure or set into a entrance to a cave style space.
MEDIUM: Many LPS types of coral prefer medium pulse current. Most Euphyllia or corals that have more tissue structure connected to their skeleton, don’t like to be in a high flow area like the direct flow of the wave pump.
HIGH: Similar to high light, SPS enjoy being in some heavy current. Most LPS and SPS that branch encrust or plate prefer high flow that simulates the top water waves.
SKILL
ENTRY: While some may say beginner level, "Entry" is a good term to be used when starting out in the world of corals and marine life. Prior to adding livestock, you want to ensure that your reef has the proper parameters including zero levels of ammonia and nitrite. Seeing traces of nitrate in your waters is a good sign - just keep them at a lower level of 2ppm to 10ppm. Maintaining correct temperature and salinity are a huge factor to stable parameters. Starting to monitor your PH, alkalinity, calcium and magnesium is a great habit to get into to keep a successful reef.
While some soft coral don’t require too much light, having a proper reef light that puts out the proper pars is very important. You'll also want to have a good amount of flow and protected rock areas, as placing corals in their happy spot is ideal for success.
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