herring

within 25 miles

Feb 24, 2026

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3 opportunities found! use fewer search filter criteria to find more opportunities

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State of Maine

Maine Pennamaquan River Fish Counting Project

Count the number of anadromous fish using Pennamaquan fishway

Anywhere

Ongoing

Citizen Sciencemaine

Mystic River Watershed Association

Mystic River Herring Education Project

Connect students to the remarkable river herring migration.

Anywhere

Ongoing

Citizen ScienceBirdsBiologyOcean Water MarineAnimalsNature & OutdoorsEducationSocial ScienceGeographyPolicystemeaglesnatureecosystemscitizen sciencedataherringadvocacyecologywildlifeeelsanadromousmill creekmonitoringcommunity servicehabitatfishriverreptilesmalden rivermammalsvolunteerwater qualityblack crowned night heronfish laddersummer reading 2021connecthorn pondwatershedmill brooksciencecormorantsenvironmentospreymysticaquaticzooplanktonmystic lake

Scenic Hudson: Volunteer Herring and Eel Monitoring

Help biologists learn why herring and eels are declining.

New York

Ongoing

Citizen ScienceBiologyEcology & EnvironmentOcean Water MarineAnimalsNature & Outdoors

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