Lysmata sp. and complete color change
I have never seen anything like this. I bought the shrimp pictured as a common Lysmata sp. with a dull red stripes. Two shrimp were purchased to take care of the growing Aiptasia population.
As it so often happens with these type of Lysmata shrimp, I never saw the shrimps after introducing them into the aquarium.
However, I had to transfer my reef to a new tank and in process of doing that I managed to catch one of the shrimps. I was very surprised to find out that the shrimp had changed it’s base color from red to green and it’s tail was bright blue.
This is most likely a completely normal and natural transformation, I just had never witnessed it myself.