crab.

within 25 miles

Jan 14, 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 & WeatherBiologydunenew englandnew hampshiresandmigrationspawningcrabdunesrestorationmonitoringwater monitoringcoastalgeologyamerican eelmusseleelphenologicalstewardshipbeachesecologybeachoysterphenologywatersurveycoasthorseshoe crab

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 crabsurveytrainingbeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentstumpcoastal educationtributariessalt tolerantvirginiasapghost forestgeographyriverbankchesapeake baysaltwater marshphragmiteswooddelmarva peninsuladying forestblackwater national refugenorth carolinadying treesecologyspartina patensgroundwatercoastalkilling treesvirginia coast reservecordgrassstormsurvey123delawaremullica river estuaryeastern shoresalt watermarinesalinedroughttree stumpestuarycoastal marine ecologynew yorkland conversionchanging shorelinecattus islandmarshgedan labfloodwildfiresforestdelaware baymaritime forestseawaterstorymapkeryn gedandead treessaltwaterprime hook national wildlife refugesoilcoastal ecologytree deathwetlandsregenerationsaltwater marshesglobal warmingsalt stressfloridashorelineeast coastsweet gumblack needle rushrising seasmid atlanticpinecedarhurricanegeorgiablue crabsaltmarylandlow elevationnew jerseysouth carolinasalt tolerant plantsbleached treesghosts of the coastclimate changesomerset countysalt water intrusiontidal inundationmarsh migrationtideswampgeologydisturbancefloodingchanging landscapesea level risesawgrassthe george washington university

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 & WeatherEducationstudentsoceansand crabsintertidalrocky intertidaltidepoolsandy beachmarinesandyinvertebratesrocky shoresintertidal monitoringteachersrockyalgaesand crabin 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 & EnvironmentBiologyEducationcitizen sciencelimpetnew zealandseaweedquadratchitonoceanintertidalmarinecrab.rocky 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 Science marinehorseshoe crabmarine wildlife monitoring marine biologymarine biology horseshoe crabfield workwildlife 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 & EnvironmentAnimalsoceanandroidoutdoorinvasive speciesbeachshorelinedungenessmycoastmonitoringappnaturalistpictureapplebeach walkscavenger huntmarinewashingtoncrab

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.new yorkiphonecitizen-based monitoringhorseshoe crabmonitormonitoring

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