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  1. #1

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    Default Cory Barbs missing...


    0 Not allowed!
    When I was feeding my fish this morning, I noticed one of my Corydoras Aeneus is missing its barbs. All of them. Gone. It almost looks like his "lips" are gone as well.

    Can someone tell me how the barbs might come up missing? Water params are acceptable. I have a nitrate problem, it always registers 20-40 ppm in all my tanks, but I do regular water changes. I have no predatory or fin nippers... There are 9 other Corys, Raspbora Espeis and Head and Tail Light Tetras, as well as some shrimp and snails in the tank. Sand substrate. No changes to tank in the past two months other than adding the shrimp.

    I took a photo with my phone, but as I went to upload it just now I realized he is not visible due to a shadow. I'll try to take another photo later this evening.
    It's my kids fault I am hooked on this hobby... It all started with a Desktop 5 Gallon Father's Day Gift!

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  2. #2

    Join Date
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    Default


    2 Not allowed!
    Corys are very sensitive to water params..those trAtes need to stay <20 ppm all of the time

    How often do you do WC's, how big are they, and is the tank planted?
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    “If there are no dogs in Heaven, then when I die I want to go where they went” - Will Rogers

  3. #3

    Join Date
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    Default


    0 Not allowed!
    Quote Originally Posted by Slaphppy7 View Post
    Corys are very sensitive to water params..those trAtes need to stay <20 ppm all of the time

    How often do you do WC's, how big are they, and is the tank planted?
    I have been doing water changes of ~25% every week, and 50% once per month when I clean out the canister. Now that you mentioned plants, I do have plants in there, they are fairly new as well. They were added a little over a month ago (approximately six weeks ago). I also started dosing CO2 during the day when I added the plants. I have kept a very close eye on the fish, and up to now there were no obvious changes to any of them. It is possible that this guy has been hiding under a rock or in one of the caves and I haven't seen him until now, but I count them a few times per week, and I have been counting 10 Corys in the this tank every time I've counted.

    As I mentioned, my Nitrates have always been at 10-40 ppm. Even after a large water change I get a reading. My tap registers ~10 ppm and I have never seen ill effects on the fish in the past. Obviously that doesn't mean it will never have an affect on them, but it hasn't to this point...
    It's my kids fault I am hooked on this hobby... It all started with a Desktop 5 Gallon Father's Day Gift!

    My Tank Journals:
    In Wall 55 Gallon - My first "Large" tank...
    135 Gallon Tank
    20L Multi- Betta Tank

  4. #4

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    Default


    1 Not allowed!
    Try doing larger changes weekly...I do about 70% in all of my tanks weekly

    Hope he turns out OK for you...the plants should help a bit as they grow in
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    “If there are no dogs in Heaven, then when I die I want to go where they went” - Will Rogers

  5. #5

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    Default


    3 Not allowed!
    You didn't mention it, but in case you aren't, make sure to vacuum the substrate every time you change out water to remove all the decomposing food and fish wastes.

    While high nitrates are the most likely culprit, flukes can also erode cory barbels. Look for miniscule, just-barely-visible white, aubergine-shaped things hanging off your cories' mouth. They're smaller than barbel nubs and also tend to undulate slightly.

  6. #6

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    Default


    1 Not allowed!
    If you could get a pic, that would be great!

    Get some more floating plants (frogbit) to eat up that constant nitrate. Or anacharis/elodea densa. Something free floating in the water column that grows quickly.
    Last edited by angelcraze2; 12-02-2016 at 04:37 PM.
    GiVe Me sHrEd TiLL i'M dEaD
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  7. #7

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    Default


    0 Not allowed!
    what substrate are you using?

  8. #8

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    Default


    0 Not allowed!
    He states sand substrate in the first post, not sure what kind, though.
    10 Gallon Beginner Tank... Journal
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    “If there are no dogs in Heaven, then when I die I want to go where they went” - Will Rogers

  9. #9

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    Default


    6 Not allowed!
    Most cases of barbelloss are bacterial issues.

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  10. #10

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    Default


    2 Not allowed!
    Quote Originally Posted by Slaphppy7 View Post
    He states sand substrate in the first post, not sure what kind, though.
    was wondering if it was blasting sand or other sand

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