Keith;120258 said:
awesome. i dont know a thing about caring for urchins, but theyre really cool. any species i should avoid that might hurt the octo? i dont know how much of a difference it makes, but im settin up for a briareus. how about fake decorations? any danger there?
-Keith
Anything with really long sharp spines should be avoided , our ones have quite short blunt spines, in fact a small boy visitor to the aquarium told me it feels like a hard toilet brush

didn't ask how he knew
that!, point is we have them in our touch pools so they're pretty safe!
Check on what the food is for any urchins you may buy too,
Evechinus is an herbivore BUT we do also have small ones called
Pseudechinus which are scavengers and they are far more likely to harass the octopus!
J