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Startup questions – 55 gal. Sewellia Linolata & Gastromyzon tank

Home Forums My Aquarium Startup questions – 55 gal. Sewellia Linolata & Gastromyzon tank

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    Hello all!

    I would like to setup a river tank to house some Sewellia Linolata & Gastromyzon Scitulus.


    55 gallon 18″x 12.5″x 18″ (121cm x31.8 x45.7). Running a Marineland canister 3 stage (mechanical, chemical, biological) filter at 220 gph (832 litersper hour). An estimated 4x an hour turnover I calculate. I am not sure this is an adequate flow for this species.


    I am planning on adding a power head to increase the flow and air pump for o2 bubbles. I am not sure how much flow this will add. I believe a powerhead such as http://www.petco.com/product/116014/Marineland-Maxi-Jet-Multi-Use-Aquarium-Water-Pump-And-Power-Head.aspx?CoreCat=OnSiteSearch will be good. Want to wait before adding the fish to make sure I have good flow, o2 and plenty of driftwood, stones and algae growth going.


    Sewellia Linolata & Gastromyzon Scitulus are I assume compatible.

    How many of each would you suggest to make a happy tank?

    Sewellia Linolata  x

     Gastromyzon Scitulus x

    (Guessing a Gastromyzon Scitulus of which I can come by in my area)borneo sucker


    I of coarse would like to add some other fish they are compatible with: I made a list of fish I seen in other posts.

     if I can get a hold of them I would really like some

    Stiphodon percnopterygionushow many ?  male? female?

    or/and  stiphodon rutilaureus –how many ?  male? female?


    Really looking for some colorful and/ or unique fish in the setup. Can anyone suggest any?

    and/how many of the following?

    Tanichthys micagemmae


    Tanichthys albonubes


    all depends on if which I can find :) really appreciate the input!



    Hi there ollyjo.
    A few of your questions I can answer from my own experience. Those I would have to guess at, I rather leave to others to answer.
    I keep Sewellia lineolata in a tank measuring 160x25x25 cm i.e. a gross volume of 100 liters. The water turnover is roughly 6 times of which half is filtered and half not. However, S. lineolata does not seem to require a strong current for their wellbeing. My specimen stay in absolutely calm sections of the tank as often as they do in the strongest current. According to my experience it is much more important to keep a keen eye on water peremiters such as disolved oxygen and temperatures. Eventhough they hail from tropical environs, they have shown at their best at temps bewegen 19 and 23* C at least in my care. They show no signs of discomfort down to 16* C whereas right now (summer) with temps running between 24 to 27* C all they do is hide inbetween the rocks and boulders and I hardly ever see one of them.
    I am convinced the same applies to G. scitulus. Regarding Stiphodon sp. I cannot make any comments since I never kept any.
    T. albonubes certainly is an ideal companion as are Danio choprae which I both keep together with the lineolatas. And as far as colours and caracter are concerned, it’ll be difficult to top the chopraes for the required water conditions.
    As far as total numbers are concerned, it all depends (in my humble opinion) on how much time you have to, or are willing to, spend on the tank. The more you populate the more you have to observe and, if required, act. I would most probably start with 6 to 8 specimen of Sewellia and Gastroyzon each, T. albonubes and D. choprae 10 to 15 each and then observe the tank for a couple of weeks and see how everything comes together.
    The sex ratio depends largely on the question if you want to give breeding a try or not. If you do, you should most certainly give the albonubes a miss as they are amongst the most ravenous terminators of eggs and fry I ever came across.
    I hope this was of help.



    Really appreciate your input. I think I have my wish list of fish completed Now I just need to find them. and my setup should be fine it looks like with a small powerhead for movement. In the mean time I can get all my tank accessories like sand, rock and wood.

    Bought a piece of grapevine at the pet store that they said I’d have to soak first, but my research shows grapevine can be toxic to aquariums so that a bummer.


    Thanks again!:cool:



    I have plenty arm thick branches of vine in 3 of my tanks for more than a year now. Got them straight from the vinyard. I have seen no ill effects whatsoever. Just make sure that the wood is really dry to the core and then give it a good soak with regular water changes every second day or so. I like to add a dash of peroxide to the first 2 or 3 loads of water. However, these branches seem to support a bit more of a ‘bio film’ than bogwood for instance. But that does not harm your fish nor invertebrates. Quite on the contrary, especially S. lineolata will thank you for it since that’s what they graze on, much rather than on algae.

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