crab.

within 25 miles

Feb 10, 2026

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Coastal Research Volunteers

Contribute to coastal science, stewardship, and resilience

Multiple locations, including yours!

Ongoing

Citizen ScienceAnimalsOcean Water MarineNature & OutdoorsGeology & Earth ScienceEcology & EnvironmentClimate & WeatherBiologyhorseshoe crabnew hampshiredunewater monitoringphenologyspawningmigrationwatereelsandgeologyamerican eelbeachstewardshipphenologicalcrabrestorationcoastalmusseldunessurveynew englandoystercoastbeachesmonitoringecology

FWC:FWRI, UF/IFAS, UF Department of Biology, SeaGrant Florida

Florida Horseshoe Crab Watch

Monitor spawning horseshoe crab beaches

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineNature & OutdoorsEcology & EnvironmentBiologyAnimalshorseshoe crabtrainingsurveyfloridabeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmenttidechesapeake baydisturbancehurricanesalt water intrusionsalt tolerant plantscoastal educationsalinesaltwater marshsalt stresscoastal ecologynorth carolinaecologytree stumpmid atlanticestuarythe george washington universitycoastalblue crabglobal warmingblackwater national refugegeographyrising seasclimate changegedan labdelaware bayphragmitesnew yorkwoodgeologyriverbankmarsh migrationtree deathwetlandsstorymapsouth carolinamarinedying forestsaltwater marsheseastern shoredroughtsapvirginiakeryn gedanmarshswampcattus islandvirginia coast reserveseawatersawgrassmullica river estuarymaritime forestdelawaresoiltidal inundationdying treesghost foreststormprime hook national wildlife refugeghosts of the coastspartina patenscedarsaltfloodinggeorgiasurvey123east coastdelmarva peninsulamarylandnew jerseyregenerationshorelinesomerset countyfloridakilling treeschanging landscapelow elevationstumpforestsaltwatergroundwatercoastal marine ecologysalt tolerantpineland conversiontributariesfloodsweet gumblack needle rushsea level risecordgrassdead treeswildfiresbleached treessalt waterchanging shoreline

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabpicturebeach walk

Delaware National Estuarine Research Reserve

Horseshoe Crab Spawning Survey

Monitor horseshoe crab populations in the DE Bay

Dover, DE

Ongoing

Citizen ScienceAnimalsBiologyOcean Water MarineNature & OutdoorsEcology & Environmentdelaware bayhorseshoe crabs

Greater Farallones Association, Pacific Grove Museum of Natural History and the NOAA Office of National Marine Sanctuaries

Long-term Monitoring Program and Experiential Training for Students (LiMPETS)

Provide authentic, hands-on coastal monitoring experiences

Multiple locations, including yours!

Ongoing

Citizen ScienceNature & OutdoorsBiologyGeology & Earth ScienceEcology & EnvironmentOcean Water MarineAnimalsClimate & WeatherEducationoceanstudentsrocky shoressandyrockysand crabmarineteachersintertidalintertidal monitoringalgaesand crabstidepoolsandy beachrocky intertidalinvertebratesin oceans

New Zealand Marine Studies Centre

Marine Metre Squared

Survey the intertidal community in New Zealand.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineNature & OutdoorsEcology & EnvironmentBiologyEducationcitizen scienceseaweednew zealandrocky shoreoceanchitonquadratcrab.limpetmarineintertidal

Anne Arundel County Recreation and Parks

Mayo Peninsula Parks Horseshoe Crab Counts

Count yearly population of spawning horseshoe crabs at Mayo Peninsula Parks, Anne Arundel County Maryland

Near your search location!

Ongoing

Citizen Science wildlife monitoringfield work marine biologymarine horseshoe crabhorseshoe crabmarine biology marinewildlife monitoring

Washington Sea Grant's Crab Team, WSU Extension, and a number of local partners

Molt Search

Monitor invasive European green crabs & native Dungeness crabs

Multiple locations, including yours!

Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentAnimalsmarinescavenger huntmonitoringdungenessoutdoorbeachandroidmycoastshorelinecrabwashingtonoceanpictureinvasive speciesbeach walkappnaturalistapple

Cornell University Cooperative Extension of Suffolk County

New York Horseshoe Crab Monitoring Network

Promote conservation of horseshoe crabs in NY State.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineNature & OutdoorsEcology & EnvironmentBiologyAnimalsmonitoringmonitorcitizen-based monitoringiphonehorseshoe crabnew yorkcrab.app

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