wtt black serpent star
 

as above
make an offer
its a good 16 inches tip to tip maybe more,
centre disc about loonie size
all arms same length
one of those ones with spiky arms
been in my reef over 3 years and no antisocial tendancies noted
its just i have 2 of these monsters (they grew from about a quarter that size and well the next line describes a situation i'm not to impressed with
also if anyone wants, my tank is full of smaller serpents, also black , around 1/2 to an inch across