crab.

within 25 miles

Mar 3, 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 & WeatherBiologynew englandduneamerican eelmonitoringecologyhorseshoe crabbeacheswaternew hampshirecrabmigrationwater monitoringbeachcoastalgeologyrestorationspawningsanddunesphenologymusseleelcoastsurveyphenologicaloysterstewardship

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 crabbeachsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsaltwater marshesriverbanksea level riseeast coastpineclimate changedelaware baynorth carolinafloridagroundwatertidebleached treesdead treesgedan labglobal warmingnew yorkblue crabsalt water intrusionsoilcedarmarsh migrationsomerset countydroughtsweet gumtree deathmarshwoodhurricanesalt tolerantsapgeorgiacordgrasstree stumpestuaryfloodingmullica river estuarychanging shorelineghosts of the coastdying treesdying foresttidal inundationvirginiacoastal educationwildfiresforestseawatersalinedisturbancestumpchanging landscapeswampmaritime forestmarylandcattus islandblack needle rushecologycoastal ecologykeryn gedancoastal marine ecologylow elevationdelmarva peninsulasaltwater marshwetlandsmarinegeographyshorelinefloodsaltwatersalt tolerant plantscoastalstorymapland conversionsurvey123ghost forestsaltphragmitessawgrassstormsouth carolinaprime hook national wildlife refugevirginia coast reserveeastern shorekilling treeschesapeake bayblackwater national refugerising seasspartina patensdelawareregenerationsalt stressgeologynew jerseytributariesmid atlanticthe george washington universitysalt water

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 & 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 & WeatherEducationrocky shoressandy beachteachersrocky intertidaltidepoolinvertebratesin oceansalgaerockyintertidalmarineintertidal monitoringoceansand crabssandystudentssand crab

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 & EnvironmentBiologyEducationmarinechitonoceanrocky shorecrab.limpetintertidalnew zealandcitizen scienceseaweedquadrat

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 biologyfield workmarine biologywildlife monitoring wildlife monitoring horseshoe crabmarine marinehorseshoe 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 & EnvironmentAnimalsoceanpicturemycoastinvasive speciesandroidscavenger huntwashingtonappledungenessbeachmarinebeach walkmonitoringappnaturalistcrabshorelineoutdoor

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 & EnvironmentBiologyAnimalsmonitorcitizen-based monitoringmonitoringiphonecrab.apphorseshoe crabnew york

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