An official website of the United States government
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..
Trawling a net behind a boat is a longstanding way of catching fish at sea. NOAA research vessels use trawling for many of the agency's fisheries surveys every year, providing important data that have helped the U.S. become a model of sustainable fisheries. This series of photos shows how a trawl operation collects those data for scientists and fisheries managers. The information plays key roles in fishery stock assessments and ecosystem science studies.