What is a sea urchin?

Answer Sea urchins are small animals that can be found in any ocean. Sea urchins are members of the Echinoidea class and somewhat resemble smell hedgehogs or porcupines because of their spiky appearance.A... Read More »

Top Q&A For: What is a sea urchin

What is the length of a sea urchin?

A sea urchin can be as long as 4 inches and is found in colors such as pink and purple. These echinoderms eat seaweed and algae, using the teeth on their backs to pull the plant life off rocks.Sour... Read More »

What are sea urchin predators?

Sea urchins are spherical ocean creatures covered with poky spines. Sea urchins feed on kelp and seaweed, helping reefs and tidal areas from becoming overrun with seaweed. Sea urchins have a handfu... Read More »

What does the sea urchin eat?

Seaweed, also referred to as kelp, is the primary component of a sea urchin’s diet, according to Stanford University. Sea urchins may also exhibit cannibalistic tendencies, and might try to eat o... Read More »

What are the treatments for sea urchin injury?

Sea urchins are small creatures that are covered with sharp spines and could be easily confused with plants or even rocks. The spines are often covered with a venom and can give painful wounds if t... Read More »