crab.

within 25 miles

Mar 4, 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 & WeatherBiologyecologygeologywater monitoringrestorationdunesphenologyeelnew englandsurveymigrationcrabmonitoringcoastalcoasthorseshoe crabamerican eelbeachesoysterstewardshipmusselphenologicalbeachsandnew hampshirewaterspawningdune

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 & EnvironmentBiologyAnimalsfloridabeachhorseshoe crabtrainingsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmenttree deathsaltwaterghosts of the coastfloridaeastern shoretidal inundationdelawareestuarycedarsalt watersapsalt tolerant plantsmid atlantickilling treesnorth carolinasweet gumsouth carolinanew yorkmaritime forestkeryn gedancordgrassriverbankdelaware baydroughtecologydisturbanceshorelinestorymapbleached treesglobal warmingsawgrasssalt stresscattus islandfloodingseawaterblack needle rushphragmiteswoodrising seastidethe george washington universityvirginia coast reservesurvey123mullica river estuarysaltwater marshesmarshblackwater national refugetree stumpvirginiaspartina patenslow elevationchanging shorelinesea level risedelmarva peninsulastormgroundwaterclimate changeforestsaltwater marshmarinegeographyswampwildfiressaltsalt water intrusiondead treessomerset countygedan labchanging landscapeghost forestwetlandsfloodstumphurricanedying treesnew jerseychesapeake baytributariespinegeologysalinedying forestland conversioncoastal educationmarsh migrationblue crabcoastal ecologysalt tolerantgeorgiacoastal marine ecologysoilmarylandprime hook national wildlife refugeregenerationeast coastcoastal

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 & 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 & WeatherEducationalgaerocky intertidalstudentsin oceanssandytidepoolintertidalsand crabrockyoceaninvertebratesrocky shoresintertidal monitoringmarineteacherssandy beachsand crabs

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 & EnvironmentBiologyEducationnew zealandchitonseaweedintertidalmarinequadratcrab.limpetcitizen scienceoceanrocky 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 Sciencefield work wildlife monitoring horseshoe crab marine biology marinehorseshoe crabmarinewildlife monitoringmarine biology

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 & EnvironmentAnimalsandroidcrabdungenessapplemonitoringoceannaturalistinvasive speciesbeachappscavenger huntshorelinemycoastbeach walkwashingtonpictureoutdoormarine

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.iphonecitizen-based monitoringmonitornew yorkhorseshoe crabmonitoring

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