How Old Is That Fish? And What Fish Ear Stones Can Tell Us
Craig Kastelle, NOAA Fisheries Alaska Fisheries Science Center in Seattle, WA
What does a fish use its otoliths (ear stones) for and what can we learn from them? Join us to learn how we can tell how old a fish is, and other ways that scientists can use otoliths to study fish.
Resources to access at home:
» National NOAA Fish Age and Growth Page and Alaska Age and Growth Procedures for Otolith Examination
» Fish Age and Growth Research in Alaska
» Microworlds: How Old is a Fish? – video
» Microworlds: What do Marine Mammals Eat? – video