Image credit – SeaGems Australia

Sea urchin shells are super pretty, even after the little guys inside have passed on. They come in all sorts of colors and shapes, and people love to use them for crafts and home decor.

In the picture, you can see a bunch of different sea urchin shells, each with its own unique look. Some are round and spiky, while others are longer and have bigger spikes. The colors range from bright reds and oranges to deep purples and blues, making for a really cool display of natural beauty.

By the way, sea urchins are these spiny little creatures that live in the ocean. They’re found in every ocean on Earth, from the shallowest waters to depths of up to 5,000 meters!

There are about 950 different species of sea urchins out there, and they all have these hard shells that are round and spiny. They’re usually between 3 and 10 cm across.

Text credit: Earth Unreal

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