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yes they do they hatch into swimming larvae

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Q: Can a sea urchins live out of water?
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Related questions

Do sea urchins live in Connecticut?

No. Sea urchins live in the sea.


How many sea urchins are in a square yard?

there are none because sea urchins live in water and not on land unless they are dead


Do sea urchins live in fresh water or salt water?

salt water


What temperature do sea urchins live in?

Sea urchins prefer temperatures at 82 degrees. They can live in salt water temperatures from 72 to 86 degrees though.


Do sea urchins live in warm water?

No, atually they live in massive groups, searching for kelp and other sea grasses to munch on. A large mass of urchins can clear massive kelp forests in a short amount of time. Most urchin groups live in shallows, but some species prefer deeper waters.


Where do urchins live?

Sea urchins live in the sea, rock pools, kelp forests, and coral reefs


What lives with Sea Urchins?

its a live sea animal its a live sea animal its a live sea animal its a live sea animal its a live sea animal


Do sea urchins die if they are not in the water?

While sea urchins are slow and non-aggressive, they do have spines for a reason. Some sea urchins possess venomous spines, sharp enough to pierce through a diving suit. This venom can cause muscle spasms, faintness, difficulty breathing and death.


Where do purple sea urchins live in nature?

Purple sea urchins live in close association with kelp forests. Kelp is their primary food.


What is the habitat of sea urchins?

Water.


Where do sea urchins live?

Sea urchins live in the sea, rock pools, kelp forests, and coral reefs


How long can sea urchins live out of water?

"When kids say 'average' they are really getting themselves into trouble! Most sea urchins are mass spawners, producing several million eggs. If even a tiny percentage are fertilized, you will have thousands of live offspring. And only a small percentage of these survive in their planktonic form without starving or being eaten until they find a place to settle as tiny adult urchins. Of these, only a handful will survive to spawn (and perhaps none). If I were being mathematically and linguistically correct I would have to answer your question, "The *average* lifespan of an urchin is 10-12 days!"On the west coast the intertidal sea urchins that kids come in contact with, like purple sea urchins (Strongylocentrotus purpuratus), are thought to be able live as long as thirty years. " - (author:Henrik Kibak)shared by: Glen Corral