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Normal Guppy Behaviour?

Home Forums Fresh and Brackish Water Fishes Normal Guppy Behaviour?

Viewing 13 posts - 1 through 13 (of 13 total)
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  • #300042

    mazlim
    Participant

    Hi All,

    I am currently keeping a 65L tank (roughly 17 gallons I think?) with 9 male fancy guppies, 3 cories and 1 bristlenose catfish. I have had the tank for just over one month and all parameters are stable (Ammonia 0, Nitrites 0, Nitrates 0, pH 7.8) on last check two days ago. I was told by the LFS not to worry about testing the hardness of the water. The tank is moderately planted (wisteria, variegated rush, two anubias on driftwood).

    The guppies are very active and all of them are feeding well, however as I am new to this hobby I wanted to check normal behaviour – I have searched a few sites but cannot seem to find a lot of information on this; only articles on abnormal behaviour.

    I have two guppies that are exhibiting this behaviour. They will swim at a ‘regular’ pace from the surface to the bottom of the tank near an edge (vertically), then very very rapidly swim vertically up to the surface again. They are not being chased, but sometimes another guppy or two will follow them up and down, without the rapid vertical ascent. I have noticed that one of these guppies exhibiting the vertical swimming behaviour will also do something similar with the outflow of the filter pipe – he will swim with the water flow near the surface, then turn around and swim rapidly back against the water flow towards it until he is underneath it, in a still section of water.

    Is all this rapid swimming normal? Are they just playing or should I be worried about this?

    Thanks in advance for all the help,

    Maz.

    Edit: Forgot to add that I’m doing about a 10L water change once a week (about a 15% change).

    #312560

    Matt
    Keymaster

    Hi Maz, sounds to me that they’re just young fish and very active. Are they feeding ok and looking healthy in general? Welcome to the forum by the way!

    #312561

    ndc
    Participant

    hi, one reason could be that your tank isnt fully mature yet – if you are showing 0 for ammonia, nitrate and nitrate then something isnt right in your tank as you should be showing one of these for the cycle to start – it may be that your guppies are experiencing ‘new tank syndrome’ – peaks of nitrite until the filter cycles

    #312563

    mazlim
    Participant

    Thanks for the replies Matt and ndc, and for the welcome =)

    I had the tank cycling for about a week before I added 3 guppies and two wisteria plants. I have gradually built up the fish in there over the last 4 weeks. I had a little nitrate spike 10 days ago but it fell back down when I did a water change.

    They look healthy in general and are swimming around everywhere, always active, feeding a lot (eating all my sinking wafers for the cories).

    I’ll just keep an eye on them.

    Cheers!

    #312564

    dunc
    Keymaster

    Hey Maz

    #312566

    thelizzious
    Member

    Hi, Mazlim. Welcome to SF. It sounds to me like they are just “water-surfing”, they have fun and swimming against the current makes them stronger swimmers too. All of my youngsters did that too. If there is no other radical behaviour they will just be fine

    #312569

    mazlim
    Participant

    Wow, thanks for all the replies everyone! /dry.gif” style=”vertical-align:middle” emoid=”<_<" border="0" alt="dry.gif" />

    It’s an external canister filter (Eheim 2213), and I haven’t restricted the flow on the water through the pipes. The water coming out of the filter hits the side of the tank about 1cm above the water level – I was trying to give some surface agitation without using airstones (or whatever else is used).

    None of the other guppies are doing this, only these two, and they were quite recent purchases from the same supplier (1 bought one week ago, the other one bought 3 weeks ago).

    What would it be if they weren’t feeding happily, Dunc?

    Thanks again everyone!

    -Maz.

    #312570

    dunc
    Keymaster

    That filter does around 390 litres per hour.. so it’s basically circulating your aquarium’s volume of water 5 times per hour. That’s totally acceptable – the recommended value for most tropical tanks is about 4 times per hour, so it’s maybe a little bit quick, but I can’t imagine it being so rapid that your Guppies are struggling in the current.

    It sounds like they’re just enjoying the current in your tank http://www.photobucket.com).

    #312597

    David Marshall
    Participant

    Maz

    I think that osmosis has a small bearing on the behaviour of your guppies? Many guppies, in particular those bred in Asia, are bred in slightly salted water and, sometimes, when finding themselves in pure fresh water suffer as a consequence.

    This was a great problem when the first tank-bred Red-tailed black sharks and Clown loaches appeared in the hobby and they would swim into bubbles in the same fashion as you mention for your guppies.

    If you did not have Corydoras in your tank I would suggest adding a little tonic salt, as this would do no harm to the Ancistrus. Perhaps a fellow member can tell us how Corydoras react to ts.?

    Regards David

    #312602

    Reva
    Participant

    Hi Maz, Welcome to fish fanatics inc /wacko.gif” style=”vertical-align:middle” emoid=”:wacko:” border=”0″ alt=”wacko.gif” />

    #312604

    mazlim
    Participant

    Oh phew, thanks for all the thoughts on what could possibly be causing this odd swimming behaviour – being my first tropical freshwater tank I was a bit panicky (even though my guppies weren’t all that expensive; but I really liked the ones I had picked) and I didn’t want anything to go wrong after I had spent weeks researching and carefully thinking about what to put in the tank! If I sit still enough my cories will come out and sometimes sort of do it (the fast swimming behaviour) as well, but mostly they just hide from me. /unsure.gif” style=”vertical-align:middle” emoid=”:unsure:” border=”0″ alt=”unsure.gif” />

    #312605

    mazlim
    Participant

    By the way, I’m trawling through this site and it’s fantastic! How did I not find this website before when I was doing all my research!

    #312606

    dunc
    Keymaster

    If it’s just one fish.. then that’s really odd <{POST_SNAPBACK}>

    By the way, I’m trawling through this site and it’s fantastic! How did I not find this website before when I was doing all my research!


    Well, we’re a relatively (<-- key word /biggrin.gif” style=”vertical-align:middle” emoid=”:D” border=”0″ alt=”biggrin.gif” />

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