Black Flowerhorns are a variety of Zhen Zhou. Zhen Zhou all have red eyes and have "Chinese lettering" on their sides. So the Fry Are Grey Thunder Zhen Zhou, as opposed to Red Dragon Zhen Zhou. Sorry I didn't reply sooner, but my ankle has kept me somewhat preoccupied.
Since the eggs were fertilized, the female has adopted what is the standard maternal coloration for Grey Thunder Flowerhorns, a continuous alternation of thick vertical grey and black dorso-ventral stripes everywhere except on the tail. This matches Anthony Tu's poster from is presentation done at the Frontosa Factory, Which I have seen once as a slide slow, but been unable to obtain a copy of. The male has not change color, and is just charcoal colored with a few black spots. Both are stil very involved in parental care, constantly moving rocks and inspecting the fry.
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Dr. Robert Price
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