Science & Nature
Where do sea urchins live?
Sea urchins inhabit every ocean on Earth, ranging from shallow tide pools to the deepest abyssal plains. They thrive in diverse…
Sea urchin
Questions and answers about sea urchin.
Science & Nature
How long do sea urchins live?
Sea urchins exhibit remarkably varied lifespans depending on their species. While many common varieties live for 10 to 30 years…
General Knowledge
What do sea urchins eat?
Sea urchins are primarily herbivores that graze on marine algae, particularly kelp, using a specialized jaw mechanism called…