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Results 1 to 8 of 8
  1. #1

    Join Date
    Jul 2018
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    Default Empire Gudgeon male or female


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    Hi,

    New to the forum. I recently decided to set up a species aquarium for Empire Gudgeons. My LFS carries them, and I saw them in breeding colors in their aquarium once and decided I would somehow have to set up a tank for them.

    I purchased 3 gudgeons from the LFS, of which one appeared to be male and two female. After a few days of them settling into their aquarium, however, they all started to exhibit red-colored fins and traces of red throughout their body and look like discolored males.

    Before getting another gudgeon from the LFS which might turn out to be another male, I decided to ask on the forum. How do I tell which are female and which are male? At the LFS, there are two tanks of Empire Gudgeons - one tank contains larger fish which have a dark green/dark gray color and extremely light traces of red and black to their fins. The other tank has smaller fish - a few which are definitely males, and some that are lighter than the confirmed males (light brown/yellow with slight red in the fins). How would I know in the future which are female and which male?

    Thanks.

  2. #2

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    hello and welcome to the forum. I did a little research and found that the males are a little larger but i suppose that would be hard to tell when they are sub adult. also when not breeding the males have multi colored bands on their dorsal and anal fins. there are folks on here that have lots more experience than I do that should be able to shed some light on the subject. very pretty fish, I can see why you like them.
    Brian

    I wish I had a Fish Wish Dish.

  3. #3

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    Thanks Brian. I looked around but only found photos of extremely small females. Will wait for some other folks to chime in. Thanks for your help.

  4. #4

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    Welcome to the AC.

    How big of a tank are they in? Purely fresh water, or brackish?

    According to this, finnage color helps sex them, but I assume this is when they are mature

    https://en.aqua-fish.net/fish/empire-gudgeon
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  5. #5

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    They are currently in a 55 gallon tank. I realize that this is probably small for them, and plan to upgrade in the future.

    They are in freshwater. At the LFS they were in freshwater as well. It's almost like the LFS received two different shipments from two different sources - one with a dark gray boxy and one with light brown.

    Thanks.
    Last edited by iMacg3; 07-03-2018 at 04:49 PM.

  6. #6

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    I replied above, but after editing my post once I couldn't figure out how to edit it a second time. I wanted to add that I looked at the link to aqua-fish.com. It suggests that brackish water is best for Empire Gudgeons. However, I've heard from numerous books and websites that Empire Gudgeons do best in freshwater, although they will survive in brackish water. That's why I decided to keep them in freshwater.

    The gudgeons appear to be active and healthy in the tank.

    Thanks.
    Last edited by iMacg3; 07-03-2018 at 05:28 PM.

  7. #7

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    Quote Originally Posted by iMacg3 View Post

    The gudgeons appear to be active and healthy in the tank.
    That's what matters most, good luck with them, and post some pics when you get a chance.
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  8. #8

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    Hi,

    What I was trying to figure out is how to differentiate between female and male Empire Gudgeons. I currently have ended up with all males, so I would like some tips on how to tell which ones are male or female before I end up getting another male again.

    I will post pics soon.

    Thanks.

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