Looks fine to me. Not fully extended, but happy enough. It will probably come out more after a day or 2. When angry they completely retract into their purple mat.
You will be hard pressed to kill it.
I had patches of it all over some rock that I couldn't remove & relocated the rock to sump(door is always open so ambient light reaching the gsp only)
12 months later during a bored afternoon I removed it from rock with a Stanley blade and glued it to overflow.
Opened up the next day & starting spreading rapidly.
Kenya tree, cockroaches & gsp could survive the apocalypse
It looks happy, and if it stays that way it will spread over that entire rock you have it on. I gave mine its own rock, that I can remove and trim as needed, and it's needed often.