crab

within 25 miles

Dec 3, 2025

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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 & WeatherBiologyphenologicaldunemigrationwater monitoringecologyhorseshoe crabgeologycrabstewardshipcoastalamerican eelbeachwaterphenologysurveymusseloystersandbeachesspawningnew englanddunesrestorationcoasteelmonitoringnew hampshire

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 & EnvironmentBiologyAnimalssurveytraininghorseshoe crabbeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentdisturbancethe george washington universitycordgrasswoodstormtidal inundationmarineglobal warmingdelmarva peninsulamarylandsouth carolinasapeastern shorefloodinglow elevationsalt water intrusionriverbanksea level riserising seasnorth carolinavirginiaspartina patensvirginia coast reserveswampnew jerseyland conversionmid atlanticcoastal ecologytributariesblack needle rushtree stumpsaltwater marshsaltwater marshessoildelaware baysaltwaterhurricanesweet gumsalt waterkeryn gedanforestsalt stressdying forestsalt tolerant plantsregenerationpinemaritime forestdroughttree deathcoastalprime hook national wildlife refugegeologyecologysurvey123estuarygeorgiastumpmarsh migrationcoastal marine ecologywildfiresdelawaresalinecoastal educationstorymapbleached treeschanging landscapekilling treesghosts of the coastchesapeake bayclimate changefloridafloodsaltseawaterchanging shorelinewetlandssomerset countygeographygedan labnew yorkmullica river estuarysawgrassshorelinedying treeseast coastblackwater national refugetidephragmitesblue crabmarshcattus islandcedarghost forestgroundwaterdead treessalt tolerant

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 & 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 & WeatherEducationsandytidepooloceansand crabinvertebratesintertidal monitoringmarinealgaeintertidalsand crabsrocky intertidalsandy beachin oceansrockystudentsrocky shoresteachers

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 & EnvironmentBiologyEducationoceanmarinecrab.limpetquadratrocky shorechitoncitizen scienceintertidalnew zealandseaweed

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 Sciencehorseshoe crab marine biologywildlife monitoring marinemarine biologymarinefield work wildlife monitoring 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 ScienceAnimalsEcology & EnvironmentNature & Outdoorsapplecrabdungenessbeachnaturalistinvasive speciesmycoastoceanwashingtonbeach walkpicturescavenger huntmonitoringandroidshorelineappmarineoutdoor

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 & EnvironmentBiologyAnimalsmonitoringcrab.monitoriphonecitizen-based monitoringappnew yorkhorseshoe crab

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