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Purple Sea Urchin
This purple urchin Paleopneustes cristatus is seldom seen by itself, and...
Dugongs, along with manatees, make up a group of marine mammals called sirenians or...
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...
Smithsonian squid expert Dr. Clyde Roper collaborated with National Geographic to...
Dr. Stephen Cairns
Dr. Stephen Cairns is a research zoologist and chair of the Department of...