The battle of green Chromis

Discussion in 'Fish Discussion' started by DerekT5, Jan 30, 2018.

  1. DerekT5

    DerekT5 Active Member

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    Hi all, I had a pair of 3 Chromis in my tank but eventually killed each other off. I am planning on getting another group of about 5 and I wanted them to stay peaceful and not kill each other. Any suggestions? Thanks
     
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  2. Baldguy

    Baldguy Well-Known Member

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    If you did have one survivor I'd keep that one and be happy. If you get more chances are they'll be down to one before long also.
     
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  3. eatbreakfast

    eatbreakfast Fish Nerd Staff Member Team R2R R2R Supporter R2R Excellence Award Showcase Editor Expert Contributor Partner Member 2018 Partner Member

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    Increasing flow in the top 1/2 or 1/3 of the tank and increasing feeding frequency can help.
     
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  4. falconut

    falconut Active Member NJRC Member

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    I only went with one, since the majority of people say they just kill each other off until one remains, I figured I'd skip the killing step. I also have a blue reef chromis and they seem to be fine together.
     
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  5. reefndude

    reefndude Valuable Member

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    Old tank I bought 5 from lfs and they all got along for over two years.
    Current tank I ordered nine and every single one died within 2 weeks.
    I recently added 7 that I purchased from lfs to try again one died immediately in qt. 6 made it through and are now in display. Only been 4 days now
     
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  6. reefndude

    reefndude Valuable Member

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    Only seeing 5 in the tank now
     
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  7. bubbaque

    bubbaque Never enough SPS R2R Supporter Build Thread Contributor

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    I have 6 in my tank for about a year and haven’t had any kill each other. I feed four times a day so that probably helps with aggression. I do see them bicker sometimes but nothing major.
     
    Last edited: Jan 31, 2018
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  8. Skynyrd Fish

    Skynyrd Fish Active Member

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    I started with 11. then nine then one. It took a while. Its a bummer because they look great in a school. And the price is right.
     
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  9. JCGSO

    JCGSO Member

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    I tried 3 to 5 in various tanks over the years. Always wound up with one, so no more for me.
     
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  10. Dr RBG

    Dr RBG Member

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    started with seven and now have 3 1/2 (one hides most of the time) They chase other fish and fight with each other. .I am not a fan of them
     
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  11. RobertP

    RobertP Active Member

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    My 5 chromis were the first fish I added a year ago. They picked on the smallest a while but all 5 are still doing well. I feed 1-2 times a day and lots of places to hide.
     
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  12. Oberst Oswald

    Oberst Oswald Active Member

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    Bought five... ended up with one after a month.
     
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  13. EmdeReef

    EmdeReef Well-Known Member R2R Supporter R2R Excellence Award

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    Unless you have a very large tank, lots of caves/tunnels in your aquascale or large acro colonies for them to hide in they’ll more than likely be aggressive. They can also start being aggressive to other fish...I wouldn’t get more. The one survivor has established dominance and if will very likely fight newcomers to death.

    I’ve managed to keep 3 but 2 are lemon chromis and one is a regular b/g. That said, they ignore each other, never seen much schooling... good luck!
     
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  14. USMC 4 LIFE

    USMC 4 LIFE Well-Known Member

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    Bought 3 and still have 3. They even lay eggs twice a week. Really simple fish to keep for me.

    I attribute my success to having plenty of flow, feeding frequently and having plenty of caves and crevasses for fish to hide in just in case.
     
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  15. Caliguy1983

    Caliguy1983 Active Member Build Thread Contributor Partner Member 2018

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    IMG_6506.JPG I've always had 3 no problem. Had 3 for years in an old system and have had 3 in my new tank for a year.
     
  16. DerekT5

    DerekT5 Active Member

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    Can you keep different types of Chromis together?
     
  17. eatbreakfast

    eatbreakfast Fish Nerd Staff Member Team R2R R2R Supporter R2R Excellence Award Showcase Editor Expert Contributor Partner Member 2018 Partner Member

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    In many cases yes. But some species behave more like damsels, staking out a small territory to defend.
     
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  18. EmdeReef

    EmdeReef Well-Known Member R2R Supporter R2R Excellence Award

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  19. Baldguy

    Baldguy Well-Known Member

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    As falconut said, skip the killing step. Keep one.
     
  20. ChukeeR

    ChukeeR Valuable Member R2R Supporter Build Thread Contributor

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    Had 3, then had 1. Added 4 more, then had 1 again. Now we just keep the 1 and he's been around for about 4-5 years.
     
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