crab.

within 25 miles

May 2, 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 & WeatherBiologycrabphenologicalhorseshoe crabphenologymusselwatermonitoringspawningecologywater monitoringeelstewardshipsurveydunesrestorationbeachbeachesmigrationsandnew hampshiredunecoastgeologycoastalamerican eeloysternew england

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 crabsurveytrainingfloridabeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentdelaware bayghost forestfloodriverbanknew jerseypinewetlandsthe george washington universitynorth carolinacoastal ecologyeastern shoregeographykilling treesglobal warmingsaltwaterdisturbancewildfiressalt stressmaritime forestsalt tolerant plantschanging landscapesomerset countymullica river estuaryeast coastwoodtidesawgrasscoastalvirginia coast reservestormsapghosts of the coastsurvey123stumpmarinetree stumpgedan labstorymapblackwater national refugetree deathnew yorkdroughttributariestidal inundationlow elevationmid atlanticphragmitessaltwater marshvirginiaregenerationcedarmarshsaltshorelinechesapeake baysalt tolerantcattus islandmarsh migrationecologyblack needle rushsalt water intrusioncoastal marine ecologyestuarydying treesgeorgiaprime hook national wildlife refugegeologysouth carolinafloridamarylandchanging shorelinefloodinggroundwaterdying forestland conversionsweet gumkeryn gedanblue crabrising seasdead treesforestclimate changesalt watersalinecordgrassdelmarva peninsulacoastal educationseawaterdelawarespartina patensbleached treeshurricaneswampsea level risesoilsaltwater marshes

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkhorseshoe crabpicture

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 & WeatherEducationmarinesandy beachsand crabsintertidalrockyinvertebratestidepoolrocky intertidalin oceansstudentsrocky shoressand craboceanalgaeintertidal monitoringteacherssandy

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 & EnvironmentBiologyEducationmarineoceanseaweedintertidalquadratcrab.limpetcitizen sciencenew zealandchitonrocky shore

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 Sciencemarine biology wildlife monitoringfield workhorseshoe crab horseshoe crabmarine marine biologywildlife monitoring 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 & EnvironmentAnimalsscavenger huntbeach walkapplenaturalistoutdoorinvasive speciesshorelineoceanandroidmycoastdungenessapppicturewashingtonmonitoringmarinecrabbeach

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 & EnvironmentBiologyAnimalsmonitorappcitizen-based monitoringhorseshoe crabmonitoringcrab.iphonenew york

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