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Mapping the Ocean Floor
Grades: 3-5Today's Catch

Squid Embryo
Smaller than the head of a pin, this arrow squid (Doryteuthis plei) embryo looks like a miniature adult and is almost ready to hatch! Depending on the squid species, the development from a fertilized egg to a nearly-hatched larva can...
Ocean Optimism
Success Stories in Ocean Conservation
Listening for Clues About Sonar’s Effects on Marine Mammals
Researchers study the behavior of killer whales and how they react to sonar.
Credit:
C. Kyburg; Obtained under NMFS permit #14534
Many animals depend on their eyes to navigate, find...