brittle starfish?

[LuckyReefer]

just noticed this guy on my glass when i got home wondered how he even got in my tank lol. is it a brittle star fish? should i remove it or what

 

[EricR]

I'd guess micro brittle star from blurry view on my phone.
I got 5 in a ball of chaeto about 2 years ago and now have a bunch.
I like 'em.
...mine seem like they have even longer, skinnier arms (usually 6 but that can vary) but I'm sure there must be tons of different species