crab.

within 25 miles

Feb 20, 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 & WeatherBiologymigrationamerican eelspawningbeachphenologybeachescoastsurveymonitoringcrabeelnew hampshirecoastalwatersandduneoysterphenologicalrestorationhorseshoe crabstewardshipgeologywater monitoringmusselnew englanddunesecology

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 & EnvironmentBiologyAnimalsbeachsurveytraininghorseshoe crabflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsalt tolerantregenerationglobal warmingwetlandsecologyseawatersalt waterdelaware baydying treeslow elevationeastern shoresapvirginiacedarsea level risekeryn gedanland conversionsaltsaltwatermarsh migrationsomerset countyspartina patensnew yorkdelawaresoilwoodclimate changenew jerseystumpswampeast coastgeologycordgrasstree deathrising seasmarshghost forestsawgrassstormgedan labtributariessaltwater marshsalt stresssalt tolerant plantsmaritime forestchesapeake baysweet gumtidal inundationcoastal marine ecologystorymapgeographycattus islandcoastal ecologykilling treessalinegroundwaterriverbankmid atlanticvirginia coast reservesalt water intrusionbleached treeschanging shorelinefloodingfloodnorth carolinacoastal educationdead treessaltwater marshesdroughtforestgeorgiacoastalmarylanddisturbancefloridachanging landscapehurricanesouth carolinadelmarva peninsulashorelineblue crabphragmitestree stumpwildfiresblack needle rushestuaryghosts of the coastpineprime hook national wildlife refugethe george washington universitysurvey123blackwater national refugemullica river estuarydying foresttidemarine

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 & WeatherEducationrockyintertidal monitoringsand crabssand crabalgaesandy beachintertidalsandystudentsoceantidepoolmarineinvertebratesteachersrocky shoresin oceansrocky intertidal

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 & EnvironmentBiologyEducationrocky shorequadratintertidalmarinecrab.seaweedcitizen sciencenew zealandchitonlimpetocean

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 monitoringhorseshoe crabfield work marine biologymarine biology horseshoe crabmarine 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 & EnvironmentAnimalscrabdungenessmonitoringinvasive speciesscavenger huntappleoutdoorbeachmycoastapppictureandroidshorelinebeach walkmarineoceanwashingtonnaturalist

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 & EnvironmentBiologyAnimalsnew yorkcitizen-based monitoringcrab.monitoriphoneapphorseshoe crabmonitoring

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