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The colour of these fish varies depending on the light from light blue through to pale green as their name would suggest.
They have a peaceful temperament and can add a lot of colour and life to your tank especially in larger groups.
You can keep one on it's own in a reef or fish only tank, or in groups. When keeping them in groups it’s best to keep six or more of them together to ensure none of the group gets picked on.
These fish tend to stay towards the top of the tank and will swim around in a school which makes them striking.
The Blue Green Chromis originates from the Indo-Pacific regon.
Tank Recommendations for Blue - Green Chromis
Your tank should be at least 30 gallons for one specimen, and at least 55 gallons for group of six fish. Rocks and corals with plenty of places for them to hide is ideal for when they feel threatened and also for sleep.
Ensure that there is plenty of open space near the top of the tank as this is where they like to swim.
Live rock with some algae growth will give them a food source to snack on. These fish aren’t fussy when it comes to currents.
Suitable Tank Buddies
The Blue Green Chromis or Damselfish does grow larger than some other varieties, but are still small and peaceful even as adults. So don't keep them with other aggressive or semi-aggressive fish that feed on the same foods.
They will mix well in most community tanks and don't have a problem with hard or soft corals and invertibrates.
These Damselfish mix well with Gobies, Dartfish and Fairy Wrasses, Starfish and most invertebrates.
Keeping groups of 6 of more Blue – Green Chromis together in a larger aquariums allow them to shoal. If you keepless than 6 together individuals within the group may can lead to bullying.
Other Damselfish can be problem tank mates as can Clownfish and other semi-aggressive and aggressive fish of a similar size.
Be cautious of keeping them with fish like Angelfish, both large and dwarf varieties as they may pick on them. Likewise if you are mixing them with Frogfish, Cardinals, Filefish, Puffer fish or Triggerfish.
You shouldn’t mix Blue – Green Chromis with predatory fish with mouths big enough to fit them in. So no Sharks, Groupers, Snappers, Scorpion fish or Eels.
Slow moving fish like Seahorses don’t do well with Damsels in general as they compete for the same foods and lose out because they are slower.
Feeding Your Blue - Green Chromis
The're omnivores so accept mysis and brine shrimp, shredded frozen fish, pellets and flake food. They will also eat some algae from live rock, so feeding your Chromis shouldn’t present any problems at all.
Like most Damselfish its best to feed them smaller meals throughout the day.
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