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this this is a girls from il. who wants to know how long sea urchin's live yes, sea urchins live in hawia =)
Considering the fact that "Sea urchin" is a Class of organisms containing roughly 950 species, the average lifespan of one of these creatures can vary to a very large degree. As an example of this, a purple sea urchin will live up to 70 years, while a red sea urchin may live as long as 200-300 years.
I think a sea anenome and a sea urchin can live together because i have a little aquarium and there is a sea urchin and and a sea anenome (if that's how you spell it) living in there and they were perfectly fine. BUT if you have a sea urchin do not have any crabs in there, because my sea urchin killed one, and almost killed another one by taking its claw off. :(
in the water
It depends on the type of urchin, anywhere from 4 to 150 years.
in the kelp forest
by mating with another GIANT red sea urchin!
sea urchins live in all oceans. :-)
sea urchin
in a local petco
The sea urchin live in the coral reef :p
It depends on the species of urchin, they can live anywhere from 4 to 150 years.