crab.

within 25 miles

Dec 23, 2025

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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 & WeatherBiologygeologydunemusselwaterphenologicalsandnew englandamerican eelbeachescoastalbeachoystereelspawningsurveyphenologystewardshipcrabecologyrestorationhorseshoe crabmonitoringnew hampshiremigrationwater monitoringdunescoast

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 & EnvironmentBiologyAnimalshorseshoe crabfloridabeachsurveytraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentkeryn gedannew yorklow elevationclimate changegeorgiaestuaryblackwater national refugeghost forestrising seascoastal marine ecologysomerset countyghosts of the coastblue crabstorymapriverbanksurvey123marshnorth carolinawildfiressalinecoastal educationfloridaseawatersweet gumfloodingphragmiteshurricanecoastaldroughtecologytree deathglobal warmingvirginia coast reservestormfloodsalt tolerantnew jerseythe george washington universityvirginiadelmarva peninsulasea level risecedartree stumpsawgrasssalttidedelaware baydisturbancedying foresttributariesmarinegeographystumpcordgrasssalt tolerant plantschanging landscapewetlandsmarsh migrationbleached treestidal inundationdying treesmaritime forestwooddead treessaltwatersalt stresscoastal ecologysaltwater marshpinesalt watersouth carolinaprime hook national wildlife refugeeast coastblack needle rushmid atlanticmarylandgeologyshorelinecattus islandchanging shorelineland conversiongroundwaterregenerationswampsalt water intrusionsoilgedan labspartina patenseastern shoredelawareforestchesapeake baymullica river estuarysapsaltwater marsheskilling 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 & 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 shoresalgaesand crabsandysandy beachsand crabsin oceansinvertebratesstudentsintertidalrockytidepooloceanintertidal monitoringrocky intertidalteachersmarine

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 & EnvironmentBiologyEducationseaweedcrab.marineintertidalcitizen sciencelimpetoceannew zealandrocky shorequadratchiton

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 Sciencehorseshoe crab horseshoe crabmarine biologymarinewildlife monitoring marinefield work wildlife monitoring 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 ScienceAnimalsEcology & EnvironmentNature & Outdoorsmonitoringdungenessapplebeachnaturalistpicturemycoastinvasive speciesmarineandroidcrabwashingtonbeach walkappshorelineoutdooroceanscavenger hunt

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 monitoringmonitorhorseshoe crabappnew yorkiphonemonitoringcrab.

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