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Results 1 to 9 of 9

Thread: Sexing Tetras

  1. #1

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    Default Sexing Tetras


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    I have 3 Black Skirt Tetras and I was curious to find out what sex they are! I deffinetly didn't even think of figuring it out, but I'd like to know how I can accomplish this! To me they all look the same, but with all of your knowledge you could increase my fish knowledge lol. Thanks in advance.

  2. #2

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    Males have wider anal fins. Also females tend to be more full bellied and their black stripes fade more with age.

  3. #3

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    Thank you! :) It looks like the Anal fin is the same size on all of them. I'm not sure how big the fin is compared to a females/males, so I'll have to take a pic of each fish so you can see.

  4. #4

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    Quote Originally Posted by Scruffeh
    Thank you! :) It looks like the Anal fin is the same size on all of them. I'm not sure how big the fin is compared to a females/males, so I'll have to take a pic of each fish so you can see.
    They should be set wider, they may also be slightly pointier. It will be much easier to tell when they get older

  5. #5

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    Good call! Thanks so much, they are about 2.5 inches tops rightnow, I think they get 3.75 right?

  6. #6

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  7. #7

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    If your black skirts are 2 1/2" right now, I think that's as large as they'll get. Some of mine are 3 years old and no bigger than that. Females are larger and plumper. Males are smaller.

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  9. #9

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    my females are alot rounder in shape when you look from the top of the water its the same with all my different tetras also ,thats how i can tell male from female

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