crab.

within 25 miles

May 13, 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 & WeatherBiologycrabcoasthorseshoe crabgeologymusselnew englandwaterdunestewardshipspawningbeachmonitoringnew hampshirecoastaloystersurveydunesphenologyphenologicalamerican eelmigrationecologywater monitoringsandbeacheseelrestoration

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 & EnvironmentBiologyAnimalssurveybeachtrainingfloridahorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentwetlandsdisturbancetidal inundationblackwater national refugeland conversionnew yorksapvirginiavirginia coast reservesoilecologydead treesfloridatree deathrising seasmaritime forestsalinelow elevationfloodingcoastal ecologygeorgiaforestsalt watersawgrassghost forestspartina patensdelawaredroughtblack needle rushkilling treescoastalkeryn gedansweet gumbleached treesdying foresttree stumpregenerationsaltwater marshessalt water intrusioncattus islandeast coastsaltwaterstormdelaware baydelmarva peninsulawildfiressouth carolinariverbankprime hook national wildlife refugephragmitescedarmarsh migrationhurricaneswampstumpmid atlanticcoastal educationtributariesestuarymarinechanging shorelineflooddying treesgroundwaterseawaternorth carolinasalt stressgedan labsalt tolerant plantssalt tolerantnew jerseywoodglobal warmingblue crabcordgrassthe george washington universitysea level risechanging landscapesaltmarylandsomerset countyeastern shoregeologychesapeake bayclimate changeghosts of the coastmarshtidegeographypinemullica river estuarysaltwater marshsurvey123shorelinestorymapcoastal marine ecology

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 & 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 & WeatherEducationsand crabrocky intertidalinvertebratesstudentsrockysandy beachsand crabsteachersintertidalintertidal monitoringoceanrocky shoresalgaetidepoolmarinesandyin 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 sciencelimpetoceanquadratcrab.marineseaweedintertidalnew 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 Science marine biology horseshoe crab wildlife monitoringmarine biologyfield work marinehorseshoe crabmarinewildlife 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 & EnvironmentAnimalsbeachpicturenaturalistscavenger huntmonitoringoceanappleshorelineinvasive speciescrabwashingtondungenessappbeach walkoutdoorandroidmycoastmarine

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.iphonemonitoringmonitornew yorkcitizen-based monitoringhorseshoe crab

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