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.
An overfishing of herring can disrupt the food chain and remove a key predator of sea urchins. With fewer herring to feed on sea urchins, their populations can increase unchecked leading to ecosystem imbalance and potentially to overgrazing on kelp forests where sea urchins feed.
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.
In an aquarium, animals like snails, sea urchins, and certain fish species such as tangs and blennies are known to eat brown algae.
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.
no
Herring primarily feed on plankton, small fish, and other marine organisms, rather than sea urchins. Their diet consists mostly of small crustaceans and fish larvae. While herring may occasionally consume a variety of small invertebrates, sea urchins are not a significant part of their diet.