crab.

within 25 miles

May 9, 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 & WeatherBiologyeelbeachnew englandamerican eelcrabmonitoringcoastalrestorationecologydunesbeachesoysterphenologicalstewardshipnew hampshirephenologyspawningcoastgeologymusselsanddunesurveywater monitoringhorseshoe crabmigrationwater

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 crabsurveyfloridabeachtraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentcordgrassnew jerseysawgrasshurricanesouth carolinasalt stressmaritime forestghosts of the coastfloridachanging landscapeglobal warmingthe george washington universitysaltwater marsheswildfiresmarineghost forestflooddelmarva peninsulasaltwater marshsomerset countypinekilling treesmid atlanticgeologyregenerationdying treesmarsh migrationdelawaredisturbancesea level risegeographygedan labcattus islandsurvey123keryn gedandelaware bayecologysoiltree deathsweet gumstormblack needle rushnew yorkchesapeake baymullica river estuarysalt water intrusioncoastal educationtidewetlandschanging shorelinenorth carolinadying forestmarshdroughtswampgroundwatereastern shorespartina patensblue crabgeorgiasalt tolerant plantsland conversionsapfloodingphragmitesdead treeswoodeast coastcedarrising seasmarylandtributariestidal inundationcoastalclimate changeforesttree stumpstorymapshorelineestuarycoastal ecologyseawatersaltwatersalineprime hook national wildlife refugesalt tolerantvirginia coast reservelow elevationsalt waterblackwater national refugestumpriverbankbleached treescoastal marine ecologyvirginiasalt

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 & WeatherEducationalgaeinvertebratessandy beachstudentssand crabrockyoceanmarinerocky shoressandyrocky intertidaltidepoolsand crabsintertidalteachersintertidal monitoringin 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 & EnvironmentBiologyEducationcrab.quadratlimpetnew zealandcitizen sciencerocky shoreseaweedintertidalchitonmarineocean

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 monitoringhorseshoe crabmarinemarine biology wildlife monitoring marinefield work horseshoe crab

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 & EnvironmentAnimalsoceancrabappmycoastdungenessapplescavenger huntbeachshorelineinvasive speciesmonitoringandroidwashingtonnaturalistpicturemarinebeach walkoutdoor

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 & EnvironmentBiologyAnimalshorseshoe crabnew yorkappcrab.iphonemonitoringcitizen-based monitoringmonitor

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