Oceanography
Discover the stunned red urchin, living the longest on Earth
Red sea urchins, invertebrate-shaped invertebrates appear 450 million years ago. This is one of the most 'living' animals on Earth.
Red Urchin
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Oceanography
Scary 'sparks' in the ocean
Fire urchins, also known as red porcupines, have the scientific name Fire Sea urchin, they are the ones