Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Fish structures (otolith, scale, fin ray) used as tools to provide life history information such as: age, growth, origin, size at age data, migration history etc.
Public Domain.
