The Multistate Aquatic Resources Information System (MARIS) is an online resource that contains over one million population estimate, total catch, total weight, and water quality records for nearly 600 fish species sampled by a growing number of state fish and wildlife agencies.


MARIS Status map - click on a state for more information
USGS Logo NJDFW Logo Maryland DNR logo Michigan DNR logo Sportfish Restoration Logo Minnesota DNR logo
Indiana DNR logo Wisconsin DNR logo Pennsylvania Fish and Boat Commission logo New York State DEC logo USFWS Logo WYGF Logo USFS Logo Georgia DNR Logo
Iowa DNR logo Illinois DNR logo USDA NRCS Logo