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Hillstream loach (Gastromyzon ctenocephalus) tank advice

Home Forums My Aquarium Hillstream loach (Gastromyzon ctenocephalus) tank advice

This topic contains 0 replies, has 1 voice, and was last updated by  Matt 2 years, 3 months ago.

Viewing 7 posts - 1 through 7 (of 7 total)
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  • #303685

    Finney
    Participant

    Hi!

    Recently lucked into a 29 gal tank that was already established for 4 yrs. It came with a lone Hillstream loach (Gastromyzon ctenocephalus) already in residence for a year. I would like to get a few other Hillstream loaches to keep him company and want to know what easy adjustments I should consider doing to the tank to improve his living conditions.
    Questions: do I add a bubble wall? small Power head? or?
    What other tank mates might be good? Would a couple SAE help with the BBA?

    Tank currently:

    29 gal
    2 hob filters Aqua-Techs 20-40 and 30-60
    Ecocomplete substrate with light planting of java fern, java sword, small leafed anubias (which is being taken over by what appears to be Black brush algae)
    T5 high out put light (4 24 watt bulbs)
    driftwood
    rounded rocks/stones
    1 small airstone

    76 degrees (up to 78 degrees with lights on for a while)
    PH 7.0
    NitrAte 5.0
    small wonder shell (I added for first time so can increase)
    nitrite 0
    ammonia 0

    1 Hillstream loach
    5 Amano shrimp
    6 Cherry barbs
    5 Cardinal tetras
    7 Otocinclus
    1 nerite snail
    1 lambchop raspbora
    1 choc kuhli loach

    5/20-I moved the tank from previous owners keeping everything intact & carting 20 gals of existing tank water.
    The only things I’ve added are 6 of my otos from other tanks, 1 nerite snail and a small wonder shell.
    Also used stressguard and Pimafix first 5 days.

    Everyone seems healthy and happy so ready to pick up a few more Hillstreams :)



    All thoughts & advice welcome!

    #354758

    Byron Hosking
    Participant

    First, may I welcome you to SF, as I see you joined recently.

    Now, to your questions.  Before you add any fish to this 29g, there are some significant issues that require fixing.  All of the existing fish, except for the Hillstream Loach, require a very different tank, or to put it another way, the Hillstream Loach requires a very different aquascape.  The Hillstream Loach is a cooler water fish (room temperature, assuming in the high 60’s or low 70’s F) is best.  And it needs some current.  The other fish by contrast prefer quieter water, and warmer temperatures.

    I would not add any more Hillstream Loaches, unless you can remove the other fish and aquascape this tank more to their liking.  A stream setup, lots of rounded river rock to simulate boulders, fine gravel or sand substrate, lower temperature, and a nice current from the filter at one end to create a length-wise “stream” current.

    The light over this tank is extremely bright.  This is going to have a negative effect on the forest fish (cardinal tetra, rasbora, etc) and while it will likely cause algae for the Hillstream Loach, this algae will soon smother the plants.  Will the fixture allow you to remove some of the tubes and still light the remainder?  One T5 HO tube would be more than adequate.

    I don’t know how long the previous owner of this aquarium had it operating with these fish, but the fact that they were “managing” then does not mean they will continue to do so, or be in the best of health with so many opposites.

    Byron.

    #354770

    Plaamoo
    Participant

    Agree with everything Byron wrote. I’d try to find q good home for the gastromyzon and add 4 or 5 more pangio. Either get a few more rasboras or re-home it and get a few more cardinals.

    #354772

    mikev
    Participant

    Agree with *almost* everything…. except for the pangio.

    I have kept pangios in rivertanks with hillstreams for years. They do fine, in fact a p.oblonga group that shares the tank with hillstreams now greatly increased in size (two spawns), prior to this they refused to spawn in other tanks including a “proper” pangio tank for something like 8 years.

    #354798

    Matt
    Keymaster

    In Malaysia we found Pangio almost exclusively in flowing streams. Couple of examples:

    P. piperata and P. semicincta:

    Pangio-habitat-1.jpg

     P. semicincta:

    Pangio-2.jpg

    #354831

    oaken
    Participant

    Cool pictures, Matt. How fast flowing were these streams?

    #354889

    Matt
    Keymaster

    The first image is of quite a fast stream, the latter is slower and wider but still with notable flow. In both cases Pangio were found in the fastest sections among leaf litter, but we didn’t make any precise measurements.

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