Stupid Chromis

Discussion in 'Reef Aquarium Discussion' started by Bob Lauson, Dec 5, 2018 at 6:00 PM.

  1. Bob Lauson

    Bob Lauson Active Member R2R Supporter Partner Member 2019 Build Thread Contributor

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    I have had as many as 7 chromis in my tank and, for a while, they swam in the open all around the upper 1/3 of the aquarium. A couple decided the grass was greener on the other side of the glass so jumped to their eventual death. The remaining 5 just hang out in a corner of the aquarium and never explore the aquarium any more except to come out and eat. All the other fish (anthias, tangs, hawkfish, rabbit fish, bannerfish) swim all over. I love the idea of a shoal of chromis but these five make me sometimes wish they would follow their former brethren into the abyss outside the glass. Anyone else have issues with reclusive chromis?
     
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  2. Gregg @ ADP

    Gregg @ ADP Active Member

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    Somebody is keeping them back there.

    Green chromis aren’t the boldest of all fish, but they will typically spend most of their time at least moving in and out of open water.

    If they’re not coming out, it’s because somebody in the tank is not letting them come out. Might also explain the jumpers.m

    (of course, this is just a guess)
     
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  3. Bob Lauson

    Bob Lauson Active Member R2R Supporter Partner Member 2019 Build Thread Contributor

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    We have spent a lot of time in front of the aquarium and I have never seen other fish going after them.
     
  4. JumboShrimp

    JumboShrimp Well-Known Member

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    Maybe by now the ‘intimidator/enforcer’ has made his point, and the Chromis just cower without him actively going after them. (?)
     
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  5. Bob Lauson

    Bob Lauson Active Member R2R Supporter Partner Member 2019 Build Thread Contributor

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    Its possible. There seem to be few rules when it comes to fish behaviors
     
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  6. Thingsibuild

    Thingsibuild Member

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    My chromis did that for a month or so and now swim all over.
     
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  7. Super Fly

    Super Fly Active Member

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    Hope this is the case for you. Chromis will eventually kill off one another until there's only 1 left unless there's a predator/bully in tank which keeps them shoaling for protection. I've noticed when chromis are in a peaceful tank, they swim all over and end up killing each other bc they no longer need to shoal for protection. Also, I recommend getting a lid.
     
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