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Purple Sea Urchin
This purple urchin Paleopneustes cristatus is seldom seen by itself, and...
Corals are just one of the many marine life forms that can be modeled in crochet....
Diving in Guam
Dr. Valerie Paul is studying chemical defenses that may protect coral reefs from...
Flower-like clusters of polyps make up this coral colony. Their pink color comes...