crab

within 25 miles

Jun 4, 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 & WeatherBiologybeachnew englanddunemonitoringecologyhorseshoe crabnew hampshireamerican eelrestorationeelcoastphenologicalstewardshipwater monitoringcoastalgeologyoystersurveywatersandspawningcrabmigrationdunesbeachesphenologymussel

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 & EnvironmentBiologyAnimalstrainingfloridahorseshoe crabsurveybeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentdead treesswampsomerset countysalt tolerantchanging shorelinesoilestuaryblue crabspartina patensseawatersalineprime hook national wildlife refugeriverbankbleached treestidal inundationmaritime forestregenerationcattus islandsaltwater marshclimate changesaltwater marshesdelawareghost forestcedarvirginiasouth carolinachesapeake baypinecoastal ecologywildfiressaltdisturbancesweet gumsalt stressdying forestgroundwatergeographynorth carolinacoastal marine ecologygeorgiasalt water intrusioneast coastcordgrasskeryn gedansawgrassblack needle rushmarsh migrationmarylandsurvey123droughtfloodhurricanechanging landscaperising seaskilling treeseastern shoredying treesmid atlanticmullica river estuarycoastal educationnew yorkdelmarva peninsulageologystormfloodingdelaware baycoastalstumpnew jerseymarinegedan lablow elevationtree stumpstorymaptributariestree deathfloridasalt watertidesapvirginia coast reserveforestecologysalt tolerant plantsglobal warmingsaltwaterwoodghosts of the coastmarshshorelinephragmitesland conversionsea level risewetlandsblackwater national refugethe george washington university

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturehorseshoe crabbeach 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 & WeatherEducationtidepoolrocky intertidalsand crabinvertebratesstudentsteacherssand crabsintertidalsandy beachin oceansmarinealgaeoceanrockyintertidal monitoringrocky shoressandy

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 & EnvironmentBiologyEducationquadratoceancrab.seaweedmarinelimpetnew zealandchitonrocky shorecitizen scienceintertidal

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 crab horseshoe crabfield workmarine marinewildlife monitoring marine biologymarine biology

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 & EnvironmentAnimalsinvasive speciesbeach walkpictureoutdoorwashingtonscavenger huntnaturalistmarinedungenessmycoastshorelineoceanapplebeachmonitoringandroidcrabapp

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 & EnvironmentBiologyAnimalsappcrab.monitorcitizen-based monitoringiphonenew yorkmonitoringhorseshoe crab

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