Kat_Rigel Posted December 26, 2020 Share Posted December 26, 2020 (edited) Wondering if anyone out there has a tip for sexing ricefish. Obviously if I see one carrying eggs, we have a female. Several sources online refer to males having "bigger" anal fins, but the issue with that is you need to have both sexes in order to compare... and if I knew that I had both sexes, I would not need to know! Haha Does anyone know a better way to sex them, especially ones that do not rely on comparisons with the opposite sex? Edited December 26, 2020 by Kat_Rigel Autocorrect Link to comment Share on other sites More sharing options...
kammaroon Posted December 26, 2020 Share Posted December 26, 2020 The male anal fins are more parallel and female ones get narrower towards the tail. Check out the picture in this medaka in space report. Link to comment Share on other sites More sharing options...
wendypizza Posted December 27, 2020 Share Posted December 27, 2020 (edited) I couldn't accurately sex my ricefish until they started spawning, but now I've gotten pretty-ish good at it. The females tend to be a little larger and fatter, with shorter anal fins like you and kammaroon said. The male's anal fins remind me of a skirt. I attached a picture of my ricefish, I foolishly put fast-moving orange ricefish with transluscent fins on orange substrate, so...it's also outlined for you. You can also see the size difference. Hope it helps! Edited December 27, 2020 by wendypizza 3 Link to comment Share on other sites More sharing options...
bryanisag Posted July 7, 2022 Share Posted July 7, 2022 I moved my rice fish/guppy pond and after taking out all the guppies I found that I only have 2 rice fish left! 😞 I hope I have a pair. I will have to use the pictures to check and I might have to buy more Link to comment Share on other sites More sharing options...
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