William Lynch Posted January 11, 2022 Share Posted January 11, 2022 Good evening! I have a group of 8 panda corys in my community tank. I acquired them at two separate times. 4 of them I got four months ago and the other 4 I got about 3 months ago. Both times they came in at the same size which was quite small. Now I have 4 large corys and 4 that are not much bigger than when I first got them. I treated all of them with the med trio when I got them but is it possible that a parasite has snuck through? Their eating behavior looks normal they just aren't growing as fast as I feel like they should be. I feed krill flake, fry food, frozen bloodworms, daphnia, and baby brine shrimp as well has algae wafers. Any advice would be greatly appreciated. Thank you! 1 Link to comment Share on other sites More sharing options...
Guppysnail Posted January 11, 2022 Share Posted January 11, 2022 My boys are considerably smaller than my girls who are 1 1/2x as big as boys. Could it be the larger are girls smaller are boys? If they eat and appear healthy without stress I would not worry. 3 Link to comment Share on other sites More sharing options...
BeetleLann Posted January 11, 2022 Share Posted January 11, 2022 My male is also smaller than the two females! his sisters? girlfriends? I don't know 😧 1 1 Link to comment Share on other sites More sharing options...
William Lynch Posted January 11, 2022 Author Share Posted January 11, 2022 @Guppysnail Thank you! That could very well be it. I had no idea that the size difference could be so drastic between sexes. Learning new things like this is what makes the hobby so enjoyable for me! 1 Link to comment Share on other sites More sharing options...
Isaac M Posted January 11, 2022 Share Posted January 11, 2022 I agree with @Guppysnail, female corydoras are usually larger and more plump than the males. This becomes even more apparent when you view them from above. Link to comment Share on other sites More sharing options...
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