If anybody is in SoCal, I have a pair of Cubans that keeps breeding in a community tank. I usually don’t save the fry, but will pull some out if anybody is interested. In the last couple days, I just had some go from wiggles to free swimming.
This looks male to me. Although the substrate is so bright white it would make most cichlids wash out.
Here is a female. Note the solid dark markings
now a male