crab.

within 25 miles

Feb 23, 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 & WeatherBiologysandmigrationoystermusselhorseshoe crabwater monitoringamerican eelcoastalrestorationecologyphenologydunestewardshipcrabgeologycoastbeachsurveyeelphenologicalbeachesmonitoringspawningwaternew hampshirenew englanddunes

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 & EnvironmentBiologyAnimalsfloridabeachsurveytraininghorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentland conversionwildfirestree deathsweet gummullica river estuarymarylandstumpcordgrassdelaware baycoastalkilling treesforestdisturbancestorymapsaltwater marshessalt stresslow elevationspartina patenscedardead treessaltwaterregenerationgeographysaltwater marshdying treesprime hook national wildlife refugestormnew yorktributariessurvey123groundwatershorelinechanging shorelinecoastal ecologysouth carolinaeastern shoretidal inundationseawatertidephragmitesglobal warmingsaltblackwater national refugeblack needle rushsalt water intrusionsoilhurricanesalt tolerant plantsgeologymaritime forestdelmarva peninsulamid atlanticsalt waterdelawarefloodingfloodkeryn gedanmarshwoodsapfloridachanging landscapethe george washington universitycoastal marine ecologyclimate changegedan labghosts of the coastsalineriverbankestuarypinesea level risewetlandsgeorgiasalt tolerantmarsh migrationchesapeake bayvirginiasomerset countyswampdying foresttree stumpghost forestmarinebleached treescoastal educationrising seasnorth carolinablue crabdroughtnew jerseycattus islandeast coastecologysawgrassvirginia coast reserve

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkpicturehorseshoe crab

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 & Environmenthorseshoe crabsdelaware bay

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 & WeatherEducationtidepooloceansand crabssandyin oceansrocky intertidalteacherssandy beachsand crabintertidal monitoringrocky shoresstudentsmarinerockyalgaeintertidalinvertebrates

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 & EnvironmentBiologyEducationcrab.new zealandoceanintertidalchitonquadratcitizen sciencerocky shorelimpetseaweedmarine

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 Sciencemarine biologywildlife monitoring wildlife monitoringmarinehorseshoe crab horseshoe crabfield work marine biology marine

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 & EnvironmentAnimalsandroidpicturebeachmarinecrabnaturalistoutdoormonitoringdungenessbeach walkoceanappshorelineapplemycoastscavenger huntinvasive specieswashington

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 & EnvironmentBiologyAnimalscitizen-based monitoringhorseshoe crabiphonemonitoringnew yorkappcrab.monitor

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