memorywrangler Posted March 27, 2023 Share Posted March 27, 2023 Is that a nuchal hump on this fish? This is my first group of peacocks Gudgeons. I bought them as fry, and I’m not sure how tell when they are mature. 2 Link to comment Share on other sites More sharing options...
Fish Folk Posted March 28, 2023 Share Posted March 28, 2023 Looks like a nearly mature male to me. Females have a slightly less thick head-top compared with males of similar maturity. Also, it seems like females often display a clear black edge on top of dorsal and bottom of anal fin. Male Female Pair (male up-right / female down-left) 1 Link to comment Share on other sites More sharing options...
T. Payne Posted March 31, 2023 Share Posted March 31, 2023 I agree, appears to be a male. The nuchal hump will get larger as he matures. Link to comment Share on other sites More sharing options...
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