crab.

within 25 miles

Feb 22, 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 & WeatherBiologycoastalcrabstewardshipecologywaternew hampshiremusselphenologymonitoringbeacheelamerican eelhorseshoe crabdunesbeachesdunesurveyphenologicaloysterspawningcoastwater monitoringmigrationgeologysandnew englandrestoration

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 & EnvironmentBiologyAnimalssurveytraininghorseshoe crabbeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmenteastern shorevirginia coast reservesweet gumriverbanktributariesphragmitesregenerationsea level riseblackwater national refugeglobal warmingwildfiresvirginiatidal inundationdying treescoastal educationhurricanedying forestblack needle rushsalt tolerant plantsrising seastree stumpsouth carolinaecologygedan labnew yorkkeryn gedanlow elevationcoastal ecologyghost forestsaltwaterdelawaremid atlanticgeorgiadelmarva peninsulaeast coastsapcoastalstumpsurvey123marinedelaware bayseawaternew jerseysomerset countyestuaryfloodingkilling treesgeographymullica river estuaryland conversioncattus islandcoastal marine ecologysalinechesapeake baysalt watercordgrassgroundwaterforestcedarswampprime hook national wildlife refugechanging shorelinedisturbancewoodmarshstorymapdead treeswetlandssaltwater marshesgeologymaritime foresttidesalt stresstree deathsalt water intrusionsoilstormshorelinebleached treessaltwater marshfloodthe george washington universitynorth carolinafloridapinechanging landscapesalt tolerantghosts of the coastsaltmarsh migrationspartina patensmarylanddroughtclimate changeblue crabsawgrass

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkhorseshoe crabpicture

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 intertidalsand crabalgaeoceaninvertebratesmarinesand crabstidepoolstudentsin oceanssandy beachsandyrockyrocky shoresintertidalteachersintertidal monitoring

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 & EnvironmentBiologyEducationintertidalseaweedcrab.chitonlimpetmarineoceanquadratcitizen sciencenew zealandrocky 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 marinemarinewildlife monitoring horseshoe crab wildlife monitoringmarine biologyfield work marine biologyhorseshoe 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 & EnvironmentAnimalspicturedungenessshorelinewashingtoncrabbeachmarinebeach walkmonitoringapplemycoastappscavenger huntoutdoorinvasive speciesandroidnaturalistocean

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 & EnvironmentBiologyAnimalsmonitoringiphonenew yorkcrab.appmonitorcitizen-based monitoringhorseshoe crab

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