crab

within 25 miles

Jun 15, 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 & WeatherBiologyphenologicalsandmusselbeachphenologycrabgeologynew hampshirewaterstewardshipsurveyamerican eelcoastspawningecologycoastalmonitoringdunesrestorationbeacheswater monitoringduneoystermigrationeelhorseshoe crabnew england

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 & EnvironmentBiologyAnimalsbeachfloridasurveytraininghorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentcoastalsaltwater marshessouth carolinafloodingmullica river estuaryghost forestsalt tolerantclimate changebleached treessalinetree stumpdead treestidal inundationsoilgeorgiablack needle rushseawatercordgrassvirginia coast reservedying treesblue crabsaltmarshblackwater national refugeestuarysomerset countyfloridadelawaresapmarinegedan labkilling treeschesapeake baycoastal ecologycattus islanddelmarva peninsulacoastal educationstorymappinelow elevationrising seasphragmitesdying forestgeographyeast coasthurricanechanging landscapecedarkeryn gedanthe george washington universityregenerationwoodfloodsaltwaterstormsurvey123global warmingwetlandsnorth carolinasalt stressmarsh migrationghosts of the coasteastern shoresawgrassvirginiamid atlanticsweet gumspartina patenstidedroughtstumpswampmarylandshorelinemaritime forestsea level riseland conversionsaltwater marshforestchanging shorelinesalt watersalt tolerant plantsecologynew jerseywildfirescoastal marine ecologytree deathriverbanknew yorktributariesdelaware baygroundwatergeologysalt water intrusiondisturbanceprime hook national wildlife refuge

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 & WeatherEducationsandy beachintertidal monitoringteachersrocky intertidalsand crabsintertidaltidepoolinvertebratesin oceansoceanstudentsrocky shoresmarinerockyalgaesand crabsandy

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 & EnvironmentBiologyEducationrocky shoremarinecrab.new zealandlimpetoceanintertidalquadratseaweedcitizen sciencechiton

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 wildlife monitoringhorseshoe crabmarine biologywildlife monitoringmarine horseshoe crabfield work marine marine 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 & EnvironmentAnimalsappledungenessbeach walkbeachmonitoringwashingtoninvasive speciespicturenaturalistscavenger huntoceanmarineoutdoorandroidappmycoastshorelinecrab

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 & EnvironmentBiologyAnimalscrab.monitorhorseshoe crabnew yorkcitizen-based monitoringappiphonemonitoring

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