Staghorn (seen here) and elkhorn corals are listed as Threatened under the U.S....
Found in Arctic waters, this rare deep-water species of larvacean, Oikopleura...
This copepod Calanus hyperboreus (up to 7mm in length) lives...
Exploring a Reef
A scuba diver explores elkhorn corals (Acropora palmata) growing on a tropical...
Biomes: Wild Arctic
This lesson investigates how sea ice is critical to the plants and animals that...
Tue, 07/19/2011 - 16:03
Sea Ice Extent
Every year the Arctic sea ice grows and shrinks in accordance with the seasons. The...
A Plague of Sea Stars
Sea stars are important members of marine ecosystems, especially in the tropics. We...