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A Diatom Helix
This beautiful marine diatom Chaetoceros debilis was caught in the North Sea. Not...
Sharks have young in three different ways. After internal fertilization, some...
Shortfin Mako Shark
The shortfin mako shark (Isurus oxyrinchus) is found offshore in tropical and warm...
Three bar jacks and a female tiger shark, nearly 4-meters long, swim off the coast...
Named for the radiant blue color on its back and sides, the blue shark (Prionace...