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Yes, In fact, A female sea urchin can lay up to 500 million eggs in her lifetime. These eggs are released out into the sea. A male sea urchin releases billions of sperm cells. When the egg and sperm meet, the baby sea urchin floats around until it matures.

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9y ago
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13y ago

The female sea urchin produces several million eggs per year, and the reproductive organs of a sea urchin can be up to 80 percent of a sea urchin's mass during mating season.

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14y ago

As many as you can before you get tired, or they slowly all crawl away. I guess it matters where you are really...

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13y ago

sea cucumber wil lay approximately 140-1000 eggs

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6y ago
7 to 200
I think that seahorses lay 80 to 100 eggs.
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Q: How many eggs do sea urchins lay?
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Related questions

Do sea urchins produce live young?

No, they lay eggs.


Do sea urchins come from eggs?

Yes,


Do baby sea urchin stay with their parents for how long?

Sea urchins and other echinoderms do not raise their young. They just lay the eggs and the babies have to fend for themselves when they hatch.


How many eggs does a sea star lay at once?

A starfish can lay 1,000 eggs at once.


How many eggs can a sea turtle lay?

a sea turtle can lay 50-160 eggs but they lay 10 per minute.


How many eggs does a sea star lay?

A sea star can lay up to 2.5 million eggs in its life time but 10-25 eggs at a a time.


How do sea urchins reproduce asexually?

The sea archin releses sperm and eggs in to the water the eggs then get firtilised


How many eggs do sea wasps lay at one time?

Sea wasps lay between 1 and 1 hundred eggs at a time.


How many eggs does a sea anemone lay?

1000


How many eggs do a sea turtle lay?

200,000


How many eggs do leatherback sea turtles lay?

They lay about 70 fertile eggs and up to 40 infertile eggs.


How many eggs do sea turtles lay?

usually about 100