Not trying to be blunt or rude... But...
You die.
u will get a little black prick in where ever it bit u and it is a bit like a splinter but hurts a lot more but when its out u will be fine!
The fire urchin is a kind of sea urchin that when you step on it, it could paralyze you or bring you to death. It has plenty of of jaws that secrete poison. If you are stung by it, try to pour vinegar on the affected surface.
Answer It [a sea urchin's sting] IS poisonous. If a sea urchin stings you, you might have [or do] the following: 1) Muscle spasms. 2) Difficulties in breathing. 3) Death 4) Faint So, you better watch out for sea urchins.
yes, a sea urchin can kill you by its spikes. So be careful if you go swimming in the sea, make sure you bring goggles so you can look in the water if there is a sea urchin. If there is a sea urchin, make sure you don't bother it either get out of the water or if you want to continue your journey, step around or over it.-Elizabeth Helena
The classification of a Sea Urchin is Echinoidea
sea urchin
A sea urchin does move, but not very frequently.
because the crab needs the sea urchin for protection and the sea urchin needs the crab for food
Ummm...it's the thing from which a sea urchin hatches?
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. :(
a blue tuxedo sea urchin
Spines of the sea urchin can cause injuries of the skin.
It urges the sea to adapt to IT! The litle urchin urger.