crab.

within 25 miles

Mar 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 & WeatherBiologysandnew englandbeachescoastecologynew hampshirerestorationdunesmigrationwater monitoringcoastalgeologyeelwaterdunemonitoringcrabamerican eelhorseshoe crabphenologybeachoysterphenologicalspawningmusselsurveystewardship

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 & EnvironmentBiologyAnimalssurveyfloridatrainingbeachhorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentshorelinefloodingmullica river estuarysaltwater marshesgedan labdead treesprime hook national wildlife refugecoastaleast coastmarylanddelaware baymarshwetlandssaltwaterfloridablack needle rushdisturbancemid atlanticdelmarva peninsulachanging landscapeblue crabcoastal educationclimate changetributariessurvey123seawaterriverbankcedarglobal warmingdying forestsalt tolerantphragmitesforestswamptidebleached treeseastern shoresoildroughtcoastal marine ecologykilling treesvirginiakeryn gedangeorgiagroundwatermarsh migrationsawgrassgeologyregenerationsouth carolinablackwater national refugestorymaptree stumpsalinesaltstormnew jerseyghosts of the coastsweet gumstumpecologypinefloodestuarycordgrasssalt waterhurricanesapsalt stresssaltwater marshsalt water intrusionghost forestvirginia coast reservenorth carolinawoodsomerset countysalt tolerant plantsdying treeslow elevationdelawarecoastal ecologyspartina patensgeographyland conversionchesapeake baytidal inundationtree deathnew yorkmarinesea level risemaritime forestwildfirescattus islandrising seaschanging shorelinethe george washington university

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturebeach walkhorseshoe 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 & WeatherEducationintertidalrockyteacherssandy beachsand crabsrocky intertidalsandyalgaetidepoolinvertebratesin oceansmarinesand craboceanintertidal monitoringrocky shoresstudents

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 & EnvironmentBiologyEducationintertidalquadratoceancitizen sciencenew zealandrocky shorechitoncrab.seaweedlimpetmarine

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 marine biologywildlife monitoringmarine biology horseshoe crab wildlife monitoringhorseshoe crabfield workmarine 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 & EnvironmentAnimalspicturebeach walkdungenessoceanappleandroidnaturalistbeachscavenger huntmonitoringcrabmycoastmarinewashingtonshorelineinvasive speciesoutdoorapp

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 monitoringcrab.new yorkmonitoringmonitorappiphonehorseshoe crab

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