Sharks Similar Videos
Shark researchers Nancy Kohler and Lisa Natanson explain why it's important to be able to know the age of a shark.
Shark Fishing Tournaments
Shark tournaments - there's a science to it. NOAA biologists Nancy Kohler and Lisa Natanson attend Northeastern recreational shark tournaments where they examine shark size, sex, and reproductive organs, and also collect shark backbones for study.
A Symphony of Sharks
NOAA Fisheries proudly presents an ode to sharks and shark research.