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Waving Sea Fans
Sea fans—softer-bodied coral relatives—colonizing a dead stony coral framework.
Healthy Coral Polyps
Healthy coral is colorful. The entire coral is actually a colony of many little...
Fish Heart Out of Water
Under the lens of a microscope—in a shallow, glass well—spindly orbs pulse at...
Birth of an Atoll
An atoll is a ring-shaped coral reef that forms as an old volcano erodes. This...
Fri, 06/08/2018 - 14:18
Creep into the Deep
Down below where the sunlight cannot penetrate, the ocean is a dark, cold and alien...
Thu, 10/05/2017 - 09:44
What Makes Sponges Grow?
Sponges are animals that eat tiny food particles as they pump water through their...
Fri, 12/11/2015 - 09:38