Synspilum Gender?

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CichlidScene Issue 6 has a great article on melanuras/synspillum.

http://centralscenemagazine.blogspot.com/2014/02/the-central-scene-issue-6.html

It is interesting to read that sexually active males have blue eyes, and females have yellow eyes.

The nice thing about synspillum is that it doesn't matter whether you have male or female, they are equally colorful and develop showy hump over time.

I keep a number of Viejas species and like them all for their color and mild temperament. The only regret I have with Vieja species is that they can be shy and skitish, and never seem to grow out of it. Some of my big Viejas still go panic if I don't approach the tank slowly.

Great article, thank you for sharing. Yes, I've definitely noticed it's a bit more skittish, but he is still adjusting. However, its eating well and doesn't seem to be stressed, so that's cool. As for the eyes, they're definitely light blue (even though they weren't in the pictures above).
 
Many Vieja species are shy fish. My young syns was so skittish that he hurt himself bumping into rock a few time. So I moved him into a tank with more tankmates and he is less shy. My 11" fenestratus is still shy and hasn't grown out of it. I have to approach the Vieja tank slowly to avoid startling the fish.
 
Quick update for you guys. First, he is definitely a male (vent confirmed). In addition, he's constantly trying to court a smaller female Pink Con. Second, he is growing faster than any Cichlid (or fish) I've ever kept. I bought him at 5.5/6", and he's easily around 7.5-8" now (mind you, I've only had him about 5 weeks. His color becomes more incredible each week. Here is a quick picture I took of him this morning. Enjoy :)
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