Although I originally had 5 oto's, 3 happened to die off but two still remain. I dont exactly know how to sex them but this one has an exceptionally large belly compared to my other. I do like to plumpen up my fish during the wintertime (Nov-Feb) but now it's march.

Thanks for looking, I am grateful to all the experts out there viewing the post

Posted by Demus301

3 Comments

  1. One of mine looks like this too. After playing tag with the other for a week.

  2. Round_Profession_992 on

    Not sure this is 100% true, but I did hear you can usually see the yellow eggs through their skin underneath the belly. I also have one with a huge stomach right now🤞. I would recommend getting the group back up to 5 or 6 though, since they do much better in large groups.

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