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Is this fin rot?

Discussion in 'Fish Keeping Chat' started by Foxmallow, Dec 29, 2018.


  1. Foxmallow

    Foxmallow PetForums Newbie

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    Hi all,

    I've had my betta for just under a week now, and I think he may have fin rot (I'll attach some pictures).

    When I brought him home the tips of his fins were black, but as his body is black I thought it might just be part of his colouring and kept an eye on it. He did also have a little twisting on some of his ventral fin tips.
    He's been eating fine and still seems to be active, swimming around with no issues.
    Yesterday I noticed a couple of the tips on his tail fin were bent.
    Does it look like fin rot?
    And if so, what would be the best way to treat it? I've read aquarium salts in small doses can help.
    In the meantime I'm keeping the light in his tank off in case its stress related.

    My ammonia and nitrites are 0, my nitrates are between 20 and 40. I've done two small water changes(20/25%) since putting him in because of the nitrate reading. Temperature is 24°.

    If you have any advice I'd be very grateful, if he is ill I want to be able to help him get better asap.
     

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  2. LinznMilly

    LinznMilly Moderator
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    Hi. Welcome to PF.

    No, it's not fin rot.

    In fin rot, the edges of the fins go white (necrotic) and/or bloody, and you might see the fin rays get blood streaks through them, then the tissue slowly starts eating away.

    In this case, I think you've just bought a crown tail betta, as opposed to a veiltail, and I'm inclined to think your initial suspicion was right - The black edges are just part of his colouring. :)
     
    Picklelily likes this.
  3. Foxmallow

    Foxmallow PetForums Newbie

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    That's why I thought I'd ask on here, pictures of crowntails with fin rot are hard to find on the internet ^^ I'd seen some people say the tips may go black as well so I thought I'd check.

    What do you think might cause the tips to bend/go twisted (I'm not sure how well you can see it in the photo)?

    Thank you for helping ^^
     
  4. LinznMilly

    LinznMilly Moderator
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    I think I can see what you mean by the bent fin ray tips. Given how long they are compared to the membrane, I imagine they'll be susceptible to damage, so it's possible he's damaged it on something in the tank.
     
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