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Results 1 to 2 of 2
  1. Default Are my fish compatible ?

    0 Not allowed!
    I have a 20 gal. long FW tank. I could be wrong, but I somewhat feel like, from other posts of mine ,that I haven't stocked my tank correctly, as far as compatibility. I have 4 male guppies, one male wagtail platy, a silver female lyretail mollie, a black male mollie, two oto cats, one male honey gourami (who has turned out to be a bully) and one kuhli loach. I thought I researched the compatibility issue pretty well ahead of time. My tank is lightly to moderately planted with silk plants. Any suggestions ? Thanks.

  2. #2

    Join Date
    Nov 2008
    Vancouver, BC, Canada

    Awards Showcase

    【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 
    For your continuing wise words - ~firefly~ Thanks for your detailed and informative post. It is a pleasure having you here. - William A second gift.  Since I saw you just recieved another Sea Horse ;-) - William thanks for helping me with your informative posts - vafa Grats on MOTM to the Tetra King. - Spardas 


    0 Not allowed!
    The livebearers (guppy, platy, molly) are fine together but the gourami is not a good mix. The kuhlii loach needs a group, minimum of three though five plus would be better, but I would recommend you re-home the kuhlii [back to the store? or elsewhere) rather than add more.

    Water parameters differ for the fish which is one area of non-compatibility; livebearers must have moderately hard or harder water, with a basic (above 7) pH. The other fish mentioned are all soft and acidic water fish. Now, sometimes these can manage if the water is slightly basic and not too hard.

    I would remove the gourami as this is not a good match, and it seems to be causing issues anyway and this will only worsen. Otos won't hurt, if the water is not too hard, though they will eat the algae which is a favourite food of the molly.

    As you have a female molly, expect offspring; the male will mate with it no doubt. Some sources suggest the guppy can too, though not everyone agrees on this. At present, the molly and guppy are both in the same genus, Poecilia, which means the species in the genus can or may cross-breed, but some ichthyologists are now proposing that the guppy should be removed from this genus due to certain differences in physiology.

    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]

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