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Thread: Woke up with 1 dead juvie

  1. #1
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    Default Woke up with 1 dead juvie



    Hi all,

    I woke up this morning and found one of my juve head standing still... for too long,
    then I realized that actually he was dead!

    So I scooped him out.

    IMG_20180727_102048.jpg
    IMG_20180727_102352.jpg
    IMG_20180727_102249.jpg

    - I kept this batch of 2" x 6 juveniles in BB 30g for 2 months.
    - QT for a month, treated prophylactically with a dose of metro and prazi.
    - Cycled media.
    - 80-90% WC every day.
    (not aged though, I live in a condominium with 6 tanks, the biggest is 150g,
    can't age that much water in my room. But the tap quality is surprisingly ok,
    pH 7.0-7.2, no NH3, NO2, NO3. No trace of chlorine. I use carbon/resin
    drinking water filter.
    If anything, in a sense that no apparent toxin in the water, my red cherry shrimps also use this tap water.)

    - Tank NH3/NO2/NO3 = 0/0/<10 (if that's matter, since I 80-90% WC every day), pH 7.2
    - Temp 84-86F. (No heater, I live in hellmouth, avg room temp 90F)
    - Fed them with Hikari fry pellets (twice a day), frozen daphnia (twice a day), frozen beefheart (twice a day).
    - Daily poop clean up

    Judging from size at time of dead which is 3", I think I did an ok job keeping them so far?
    and this guy is one of the smaller in the group (3 are quite bigger, 3 are about this size or smaller)

    This is the first discus I've lost...

    1. Any ideas of death causes? Judging from the body etc.
    - No visible wound/trauma.
    - Ate moderately. Not the biggest eater but not the least either.
    - Moderate to non bully in the tank. (as far as discus standard. This guy maybe is the 4th in hierarchy rank of 6.)
    - No white poop. (I didn't see this particular guy's poop though, no sign of such white stringy poop in day-to-day clean up.)
    - Black color at tip of the fins was there from the start (not from color change)
    - if anything, from my untrained eyes, stomach seems a bit bloated. but not sure if that's a postmortem thing

    2. Linked with no.1, do I have to do anything with the rest? Like, with the tank as well.
    Since I have no clue of the cause, dont want to do anything blindly.

    3. There are 5 juves left. Would that effect their social behavior/hierarchy thingy?
    Should I add some more?
    If I should... HOW MANY?


    Thank you in advance!
    Water change is not just a chore, it's my life now...

  2. #2
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    Default Re: Woke up with 1 dead juve

    Oh my god... Just posted and saw this guy's pics...
    His eyes are still so clear/beautiful as if I put him back in the water, he might just swim normally.
    Water change is not just a chore, it's my life now...

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    Moderator Team Filip's Avatar
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    Default Re: Woke up with 1 dead juve

    I'm not really sure what could have happened here TBH .
    I think that bloat don't kill overnight and they seem too small to die from dash and smash .
    I would advise you not to medicate unless you notice any clear symthoms of a disease .
    I would also advise not to buy more discus at this point . 5 is still a good number for spreading aggression and the risk and QT period for introducing just 1-2 small discus isn't worthed IMO.

    I'm a bit sceptic about your daily 80% wcs with straight tap water . Microbubbles and pH swings can affect their health on the long run if not taken care properly .
    I would also add a heater and set it to your day time temperature to avoid day / night temperature swings of 2-3 C .
    Last edited by Filip; 07-27-2018 at 04:16 AM.

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    Registered Member Mattgoanna's Avatar
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    Default Re: Woke up with 1 dead juve

    No way to know what happened. If you are feeding pellets that swell with water it could be one possible cause.

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    Default Re: Woke up with 1 dead juve

    Quote Originally Posted by Filip View Post

    I would also advise not to buy more discus at this point . 5 is still a good number for spreading aggression and the risk and QT period for introducing just 1-2 small discus isn't worthed IMO.

    I would also add a heater and set it to your day time temperature to avoid day / night temperature swings of 2-3 C .

    Filip, Thank you for your reply.

    That's why I am thinking about 5-6?
    or maybe 3-4 3.5" to match the biggest one in the group.

    Btw, just curious, would 2-3 degree temp change in a day affect the well being of fish?
    I mean, I get the idea of Amazon river size/volume/heat capacity and such,
    but wouldn't in nature, the temp on day/night are few degrees different, well, naturally?
    Water change is not just a chore, it's my life now...

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    Moderator Team Filip's Avatar
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    Default Re: Woke up with 1 dead juve

    Well , for 5-6 new fish , 6 weeks QT procedure would be well worthed I guess .

    About the temp . change of 2-3 C on a daily basis I'm not really sure how compromising it is for a discus immune system on a long run , but I wouldnt risk to test them either .
    I also wonder if they experience this daily temp. shifts in their natural habitat ?

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    Default Re: Woke up with 1 dead juve

    Sorry you lost one Cyrus.Its the part of the hobby that is really a bummer to deal with. Hard to guess the cause but the fish is bloated. Its pretty developed too. I wouldnt expect it like that overnight. Maybe it had something going on that slipped by you.

    I would add more right now 5 in a 30 is going to get cramped soon.

    Al
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    Default Re: Woke up with 1 dead juve

    Al,

    Thank you for your reply.
    Yes it's a real bummer, but I try my best to keep it cool.
    And this "Cold Hard Fact for the Hobbyist" really helped me a lot, since it listed on no.1.

    Anyway, it's especially bummed when the dead one is more or less still looks pretty nice.
    I mean, there are plenty of sick(er) fish out there that look totally wasted but somehow still survive.

    I guess that's how unfair life is sometime...
    Water change is not just a chore, it's my life now...

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