crab.

within 25 miles

May 14, 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 & WeatherBiologynew englandmonitoringnew hampshirewater monitoringcrabcoastalbeachgeologymigrationstewardshipdunewaterrestorationspawningphenologicalbeachessurveyphenologymusseloystercoastecologyhorseshoe crabduneseelsandamerican eel

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 & EnvironmentBiologyAnimalsbeachtrainingfloridahorseshoe crabsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmenttideriverbankphragmitesprime hook national wildlife refugevirginiacoastal educationecologycoastalnew jerseycoastal marine ecologydelaware baynew yorkmullica river estuarystumpgroundwatermarinewetlandsdelmarva peninsulasalt tolerant plantsfloodingsalt watersalt water intrusionblackwater national refugewoodchanging landscapemarsh migrationmarshsalt stressswamppinerising seasmid atlanticwildfiresghosts of the coaststorymapsaltwater marshgeorgialand conversionsoiltidal inundationdying forestdying treescoastal ecologysaltghost forestgeologyestuarysurvey123sapmarylandblue crabsaltwatersomerset countyseawaterhurricanecedarshorelinecattus islandglobal warmingvirginia coast reservefloodclimate changeregenerationfloridaforestsawgrasschesapeake baykilling treesnorth carolinalow elevationsalinetree stumpstormsweet gumsalt tolerantsea level risechanging shorelinesaltwater marshessouth carolinatree deatheast coastthe george washington universitymaritime forestcordgrassblack needle rushkeryn gedandead treesspartina patenstributariesdisturbancegeographygedan labdelawarebleached treeseastern shoredrought

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 & WeatherEducationsandy beachsandytidepoolintertidalalgaeintertidal monitoringrocky shoresrocky intertidaloceanteachersinvertebratesin oceansmarinestudentssand crabssand crabrocky

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 sciencerocky shorenew zealandoceanmarinelimpetquadratintertidalseaweedchitoncrab.

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 Sciencefield workhorseshoe crabmarine biology horseshoe crab marine biology marinemarinewildlife monitoring wildlife 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 & EnvironmentAnimalsoutdoormonitoringandroidapplebeachnaturalistscavenger huntinvasive speciesmarinedungenessoceanshorelinemycoastappwashingtonbeach walkpicturecrab

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 & EnvironmentBiologyAnimalsmonitoringhorseshoe crabcrab.iphonemonitornew yorkcitizen-based monitoringapp

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