crab.

within 25 miles

Jun 26, 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 & WeatherBiologydunescoastamerican eeloysterhorseshoe crabspawningbeachesmusselrestorationmonitoringeelphenologynew hampshirecoastalwater monitoringdunebeachwatermigrationstewardshipgeologycrabnew englandecologyphenologicalsandsurvey

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 & EnvironmentBiologyAnimalsfloridasurveytraininghorseshoe crabbeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsurvey123droughtecologylow elevationstormcattus islanddead treeshurricanegedan labgroundwaterglobal warmingsoilclimate changeseawatermarsh migrationnew jerseychesapeake bayriverbankvirginiamid atlanticghosts of the coastthe george washington universitysalt waterdelaware bayland conversionsomerset countyswamppinecoastaltidal inundationvirginia coast reservefloodingsea level risechanging landscapekilling treesrising seasshorelinephragmitestributariesregenerationsalt water intrusionsweet gummullica river estuarydying treeswoodwetlandssaltchanging shorelinesaltwater marshtree deathsalt stressblack needle rushnorth carolinasalineforeststorymapdelawareflooddisturbanceeast coastcordgrassestuarystumpcedartideprime hook national wildlife refugesaltwater marshessouth carolinacoastal ecologysalt tolerant plantstree stumpmaritime forestgeorgiaspartina patenscoastal marine ecologydying forestbleached treescoastal educationmarylandmarshsawgrasssalt tolerantblackwater national refugeeastern shoregeologyblue crabnew yorkdelmarva peninsulafloridageographyghost forestsapkeryn gedanwildfiressaltwatermarine

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabbeach walkpicture

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 & WeatherEducationrocky shoresteachersrocky intertidalsand crabmarinetidepooloceansandyinvertebratesalgaesandy beachstudentsintertidalin oceanssand crabsrockyintertidal 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 & EnvironmentBiologyEducationlimpetcitizen scienceseaweedquadratchitonoceanintertidalnew zealandcrab.marinerocky 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 Sciencemarine biologyhorseshoe crab marine biology horseshoe crabfield workmarine wildlife monitoring marinewildlife 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 & EnvironmentAnimalsbeach walkdungenessoceanmonitoringmarinecrabandroidshorelinenaturalistbeachmycoastappapplepictureinvasive speciesscavenger huntoutdoorwashington

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 monitoringcrab.monitoringnew yorkiphoneapphorseshoe crabmonitor

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