crab.

within 25 miles

Apr 6, 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 & WeatherBiologycrabgeologyhorseshoe crabphenologydunescoastalmigrationwater monitoringdunebeachesmonitoringbeachstewardshipsandsurveynew englandecologyoysterwaterphenologicalamerican eeleelspawningrestorationcoastmusselnew hampshire

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 & EnvironmentBiologyAnimalsfloridahorseshoe crabsurveytrainingbeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentmid atlanticshorelineghosts of the coastthe george washington universitywildfiresblackwater national refugemullica river estuarymarshkilling treessaltwaterghost forestsaltwater marshregenerationdead treesrising seasstumpsea level risefloodchanging shorelinesurvey123coastal ecologydelmarva peninsulanorth carolinapineblack needle rushtree deathsomerset countychesapeake baysalt stresssalt tolerant plantsswampcoastalspartina patenssweet gumvirginia coast reservefloridariverbankhurricanedisturbancesoilmarsh migrationgeographydelaware baysalt waterseawatercattus islandsapsaltwater marshescedarlow elevationecologynew yorkstormwetlandsclimate changenew jerseytidal inundationtributariessalt tolerantland conversionfloodingdroughtcoastal educationglobal warmingprime hook national wildlife refugesalt water intrusionphragmitessawgrasssaltcoastal marine ecologymarylandblue crabdying treesmarinecordgrassmaritime forestforeststorymapgeorgiaestuarytree stumpdying forestchanging landscapeeastern shoresouth carolinakeryn gedangedan labsalineeast coastgeologyvirginiatidedelawarewoodgroundwaterbleached trees

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkpicturehorseshoe 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 & WeatherEducationsandyteacherssand crabsoceanmarinetidepoolsand crabintertidalsandy beachrocky intertidalin oceansintertidal monitoringrocky shoresinvertebratesalgaerockystudents

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 & EnvironmentBiologyEducationseaweedlimpetcitizen sciencequadratrocky shorenew zealandcrab.intertidaloceanchitonmarine

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 workmarine marine biologywildlife monitoring horseshoe crabmarine biology marinehorseshoe crab wildlife 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 & EnvironmentAnimalsscavenger huntoutdoorinvasive speciesdungenesswashingtonappleoceancrabandroidappmarinebeachmycoastbeach walkshorelinemonitoringpicturenaturalist

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 & EnvironmentBiologyAnimalscitizen-based monitoringhorseshoe crabmonitorcrab.appiphonemonitoringnew york

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