crab.

within 25 miles

Jul 24, 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 & WeatherBiologysandcoastgeologymusselduneeelstewardshipamerican eelrestorationdunesnew hampshirecoastaloystermigrationcrabspawningbeachphenologicalphenologywaternew englandsurveymonitoringbeachesecologyhorseshoe crabwater monitoring

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 & EnvironmentBiologyAnimalssurveytrainingbeachhorseshoe crabflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentphragmitesvirginiasouth carolinapineblack needle rushsaltwater marshesnew yorktidesea level risesalt waterchesapeake bayprime hook national wildlife refugebleached treesmaritime forestrising seasestuarysoilgeographycattus islandblue crabdisturbancedroughtcordgrasscedarblackwater national refugethe george washington universitymullica river estuaryeast coasttributariestree stumpsaltclimate changecoastal educationsaltwaterstormghosts of the coastnew jerseystorymapnorth carolinasalt tolerantghost forestregenerationdelmarva peninsulashorelinesawgrassfloridaglobal warmingsomerset countydead treesgroundwatersaltwater marshmarshgeorgialow elevationgedan labsalt tolerant plantsecologytidal inundationseawaterchanging shorelinecoastalsalt water intrusionwooddelawaresalinesapvirginia coast reservecoastal ecologydelaware baydying treeswetlandssurvey123land conversionfloodsweet gummarsh migrationkeryn gedanriverbankdying forestmarylandhurricaneforestspartina patensstumpmarineswampwildfireschanging landscapeeastern shorekilling treesfloodingtree deathgeologysalt stresscoastal marine ecologymid atlantic

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabbeach walkpicture

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 & WeatherEducationrocky intertidalrockyinvertebratesrocky shoressandy beachin oceansintertidaloceanmarinesandyintertidal monitoringsand crabsstudentssand crabteacherstidepoolalgae

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 & EnvironmentBiologyEducationseaweedmarinelimpetintertidalnew zealandrocky shorequadratcrab.citizen scienceoceanchiton

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 horseshoe crab marine biology wildlife monitoringmarine biologywildlife monitoringfield workmarine

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 & EnvironmentAnimalsmycoastinvasive specieswashingtonapplemonitoringoutdoorandroidscavenger huntappnaturalistbeach walkcrabpictureoceanbeachdungenessmarineshoreline

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 & EnvironmentBiologyAnimalshorseshoe crabmonitoringiphonenew yorkappcitizen-based monitoringcrab.monitor

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