Ahhh! Had no idea that was such a changeable characteristic!Pics were taken shortly after a 90% water change, hence the appearance of his nuchal hump.
It acts similar to a mood ring. lol
Pics were taken with my iPad, so overall color is also off a bit.

I think you forgot cats and dogs living together, mass hysteria.Ahhh! Had no idea that was such a changeable characteristic!
But...90% water change? Are you mad??? You'll crash your tank...destroy your cycle...shock your fish...harden your silicone...kill your shrimp...melt your plants...damage the ozone layer...rip a hole in the fabric of time and space!!!
That's just crazy talk...
He maybe training for the worlds strongest man (in this case fish) competition!

