Why are my sea urchins dying?
Why are my sea urchins dying? If the water is contaminated, the sea urchins will be the first to show signs of stress, spines laying down or falling off. A dying sea urchin will often spawn out and rot out, causing the others in the tank to spawn and die as welll. How do you save a dying sea urchin? "The urchin is dead or dying! Take it out, if not sure its dead, throw it in freezer as it is most humane way to euthanize it. Check your nitrates! 90% of the time urchins shed their spines due to...