Need HELP WITH ID, SERPENT STAR?

[robotman]

i have two serpent stars in my tank

found this on a live rock today

looks like a really small serpent star

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[Mkvc]

I'd say it's a small brittle star. The difference between brittle stars and serpent stars are the sort of spines on their legs.

Serpent:
http://www.liveaquaria.com/product/prod_display.cfm?c=497+2857+734&pcatid=734

Brittle:
http://www.liveaquaria.com/product/prod_display.cfm?c=497+528+1528&pcatid=1528

 

[robotman]

it does look like a brittle star now that i look at it. thats a pretty cool hitch hiker.

 

[Sugar Magnolia]

It's a micro brittle star. They are only about the size of a quarter. Harmless hitchhiker.