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  1. #11

    Join Date
    Nov 2008
    Vancouver, BC, Canada

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    【ツ】 - korith   So glad someone else takes KH seriously! - talldutchie   most promising newbie award! - talldutchie   Good advice. Stick around! - ~firefly~   A gift for your knowledge of Tetras. - steeler1   


    0 Not allowed!
    I feel like I'm beating a dead horse (you probably feel that way too, Bryon, sorry about this) but I've read that having more than one species of cichlid (as long as they are regionally compatible) promotes more natural behavior in the individual fish and causes them to be more active. I don't want to stress my fish out, but I feel that being aware of territories (your own and your tankmates) and interacting with other fish that would be encountered in the wild is a naturally occurring part of a fish's life (granted, in a MUCH bigger space in the wild).
    There are a few "generalities" here that I must counter so others are not misled. And let me start by saying that "experiments" with fish can sometimes work, but I follow the expected norm for the species, not the abnormal experiments. We don't always know why individual fish within a given species may not behave normally in a given situation, but putting fish at risk is not my idea of responsible fishkeeping.

    having more than one species of cichlid (as long as they are regionally compatible) promotes more natural behavior in the individual fish and causes them to be more active.
    is not true, nor wise, and probably stems from a misunderstanding. With African rift lake cichlids it is a different "kettle of fish," but deliberately introducing stress to a fish in an aquarium is not good. Most Central American cichlids never see another species of cichlid in their habitats. Providing a representative habitat for any species to introduce natural behaviours is fine; introducing fish that are foreign is not the same thing. The stress from the former is normal and the fish species can handle it, provided the space is sufficient to provide the proper environment. Stress from the latter is abnormal, and going to weaken the fish. This is scientific fact, not supposition.

    I'm just hoping that the combination of lots of caves/broken line of sight/etc., small school of distracting dither fish, and 3-times the filtration could allow me to keep a Honduran and Firemouth in a 40 gallon tank. They will inherit a 70 gallon in 2 to 3 years.
    Filtration has not the slightest impact on this species interaction that we are considering here. Tank space obviously would; in a truly large aquarium, this could work; though even in public aquaria it is not attempted.

    Fish release pheromones and allomones and these can cause considerable stress. Filtration does not remove these, only water changes can.

    Byron Hosking, BMus, MA
    Vancouver, BC, Canada

    Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]

  2. #12

    Join Date
    Dec 2011
    Eugene, OR

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    Lol, common sense isn't as common as it should be! - mommy1   T.G.I.F.! - Slaphppy7   T.G.I.F.! - Slaphppy7   


    0 Not allowed!
    I know I'm zombifying an old thread but to catch you up, I did go with one Firemouth and one Honduran Red Point in my 40 gallon tank. They've survived each other thus far but I still thought it was time to upgrade them so I found an 80 gallon tank on craiglist (see my thread about that guy here:

    They do fight, but have their own caves to retreat to. Would it behoove me to add another cichlid to the mix to help spread out the aggression, or would the one extra cichlid just get picked on? I'm thinking 80 gallons should be big enough to add another fish, but these two have proven to be aggressive so I'm not sure that 80 gallons would be big enough for a third fish... any thoughts?

  3. #13

    Join Date
    Jul 2014

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    Welcome to the AC! - Slaphppy7   


    0 Not allowed!
    I've heard starting them out young helps. Like having a few cichlids and obtaining them as small as possible and letting them grow up together. I currently have a blue acara, salvini, jack depmsey and texas cichlid in a 55 gallon tank with lots of fake plants and drift wood. They skirmish every so often but have plenty of space to get away from each other. We will see what happens in the long run. The fish are less than an inch long.

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