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Surprise x 2

Home Forums My Aquarium Surprise x 2

This topic contains 0 replies, has 1 voice, and was last updated by  Matt 4 years, 10 months ago.

Viewing 14 posts - 1 through 14 (of 14 total)
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  • #303156

    Rüdiger
    Participant

    Hi all.

    The following started about 3 months ago. It is a bit of a story, so please bear with me.

    Surprise 1:

    At the end of October, when I came home from a 3 days trip, I noticed that my “asian river” had sprung a leak, right back corner, from the top edge about  about 7 cm down. I drained the water to below the leak, went and bought a standard 160 l tank (100 x 40 x 40), threw in some sand, rocks and pebbles, added some plants and went about cycling the lot.

    A couple of days later, I woke late at night to the sound of dripping water. Needless to say, the leak had “grown” and by the time I had again drained the water to below the leak, there was about 7 cm of water left in the tank. No question, the inhabitants had to be moved to the new tank immediately, cycled or not .

    Armed with two nets, I tried to catch the lot without causing too much of a panic. With every sweep of the net I called out to my wife what I had netted while she noted the numbers on the species list for that tank. after about 4 hrs, I thought I had dug out the last Pangios and even the Erethistes pusillus and Akysis maculipinnis, which I hadn’t seen for a good 6 months, were safe and sound. Entirely exhausted we went to bed to catch a bit of shut eye.

    When I checked the tank a few hours later one D. pathirana looked a bit worse for wear but otherwise all seemed fine. I went back to the remnants of the “asian river” when I saw some movement in there. Indeed, there were another 3 Pangios (1 oblonga, 2 semicincta) enjoying what was left of the water. That’s when my brain started working and wondering. A look at the species list confirmed that, including the three of this morning, I had removed 21 Pangios from the tank. But I had only introduced 12, six each P. oblonga and P. semicincta of wich one turned out to be a P. malayana and another (a heavily gravid female) expired a few weeks after introduction. That makes, according to my humble maths, a plus of 10 specimens. Since the whole transfer action happened in a state of near trance, I cannot say if both species have reproduced or only one and if both, how many each. In my tanks, they live in “mountains” of pebbles (40 – 60mm ᴓ) and I am lucky to spot a single specimen every now and again.

    Surprise 2:

    So, what was left of the tank stood for about 3 months due to lack of time. Yesterday, I eventually wanted to drain the puddle, clear it out and dismantle it for repair. First I set out to remove and save the larger specimens of Radix labiata still in there. Whilest hunting for them. I saw something different altogether.

    fry-1.jpgfry-2.jpgfry-3.jpgI have counted 4 fry so far (not easy in a 160 cm tank) sized between 6 and 8 mm SL. Of course I have no clue as to what species they are and given the fact that there is no fishes in the tank for 3 months now, I am surprised to find fry that small!?

    So please, don’t be shy and let me know what you think! :-)

    Regards

    R.

    #352754

    BigTom
    Participant

    From the species you listed I’d definitely go with Danio fry. They look not dissimilar (although with larger eyes) to my Sawbwa fry which were also very slow growing.

    #352755

    Rüdiger
    Participant

    Yeah Tom,

    I am leaning towards D. choprae myself. From what I read, they’re fairly slow growing too?

    #352756

    BigTom
    Participant

    I just checked my notes in the Sawbwa thread and those fry were ~10mm long at 2 months old, so yours still seem pretty small. I’m assuming you haven’t moved any plants or other material into that tank since the leak?

    #352757

    Rüdiger
    Participant

    No, I haven’t moved anything in, only out! :-)

    I’m planing on leaving them in there until they’re ready for at least small Daphnia, as the puddle is still full of life. Don’t seem to be malnourished those little buggers.

    #352758

    Matt
    Keymaster

    Definitely looks cyprin-ish. :) What else was in there Rudi?

    #352759

    Rüdiger
    Participant

    Not too much that would qualify Matt.

    D. choprae

    D. pathirana

    D. auropurpureus

    and perhaps T. ocellicauda?

    #352762

    Matt
    Keymaster

    Not a peacock goby imo, here’s hoping it’s I. auropurpureus!

    #352763

    Rüdiger
    Participant

    Jupp, that makes two of us Matt!!! :-D But isn’t it almost too much to hope for?? ;-)

    I don’t really believe in the peacock either but out of the rest it would have the best “outsider chance”. Then again, looking at the tail,………. rather not!

     

    #352765

    coelacanth
    Participant

    I agree with the views that they are cyprinid fry.

    #352766

    plesner
    Participant

    @Rüdiger said:
    Jupp, that makes two of us Matt!!! :-D But isn’t it almost too much to hope for?? ;-)

     

    Any particular reason you and Matt are hoping they’re Danio auropurpureus? Aren’t they supposed to be quite easy to breed?

    #352768

    Rüdiger
    Participant

    @plesner said:

    @Rüdiger said:
    Jupp, that makes two of us Matt!!! :-D But isn’t it almost too much to hope for?? ;-)

     

    Any particular reason you and Matt are hoping they’re Danio auropurpureus? Aren’t they supposed to be quite easy to breed?

    I don’t really know how easy or difficult they’re supposed to breed but I do know that I’ve been trying for about three years to get my hands on a couple of specimens before I actually did get 8 and that was the entire stock. Haven’t seen any more since!

    So, that’s why I’m hoping they are D. auropurpureus and I dare a guess that it’s the same reason with Matt.

    #352769

    Rüdiger
    Participant

    Btw, I do find it quite amazing how all replies focus on the “whatever” fry! ;-)

    I’m quite sure, if I had managed to get a shot on the Pangio offspring, I’d have a response on those too??? :-D

    #352774

    Matt
    Keymaster

    Yep. :D

    Regarding I. auropurpureus (it’s been returned to the genus Inlecypris; not got around to fixing the profile yet), do you know someone that’s bred it Karsten?

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