"In fact, it turns out that we are not even very good at telling the different species of
Linckia apart, because L. laevigata (the blue Linckia) and L. multifora (the red Linckia) turn out to apparently be the same species!" -
INVERTEBRATE NON-COLUMN by ROB TOONEN
Nice write up. Led me to believe, and I am probably mistaken, that the orange / Red and the Blue are the same species. So with that said why would one be harder to care for then the other. I am going to continue to read this article as I have mostly skimmed it over.
I can tell you this, he has pretty much ran behind a rock and stayed there for the time being. One day I will remove everything in my tank so I can see what all I have bought.