You can raise a sea urchin in a salt-water aquarium. There are no fresh water sea urchins so you would need a salt-water aquarium to properly care for the urchin.
Yes, sea urchins are herbivores because they mainly feed on algae.
Sea urchins mainly eat algae and coral. However, they also are known to sometimes feed on decomposing matter such as dead fish.
sea urchins are beneficial because they feed on dead organisms and help recycle materials. they control the growth of algae in coastal areas.
Yes they crawl on the sea bed Some cling to rocks I'm not sure what they feed on
No. Sea urchins live in the sea.
Absolutely not unless you have an aquarium and bacteria and other things for it to feed on, besides that's a lot of $ to buy an aquarium.
More sea urchins.
sea urchins can either reproduce sexually or asexually sea urchins can either reproduce sexually or asexually
no
The classification of a Sea Urchin is Echinoidea
sea urchins eat kelp.