crab.

within 25 miles

Dec 26, 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 & WeatherBiologybeachesrestorationbeachnew englandoystersandamerican eelcrabspawningsurveydunecoastecologyhorseshoe crabphenologicalcoastalphenologystewardshipnew hampshiremusseleelgeologymigrationwatermonitoringduneswater monitoring

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 & EnvironmentBiologyAnimalssurveybeachhorseshoe crabtrainingflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentdelmarva peninsulasouth carolinacoastal educationvirginiaspartina patenssalt toleranttidal inundationglobal warmingstumpchesapeake baymarinemaritime forestmarylandtidegeographysalt tolerant plantsdying treessawgrassclimate changestorymapkilling treesdisturbancecordgrassfloodingcoastal marine ecologyfloridachanging landscapelow elevationbleached treessaltwater marshregenerationsalt watergroundwaterphragmitesdroughtdelaware bayhurricanesalt stresseast coastprime hook national wildlife refugeblack needle rushmullica river estuarysea level risetree deathtributariesrising seassaltwatersalinecattus islandestuarypinecoastal ecologyecologydying forestcoastalland conversioneastern shoreseawatertree stumpmarsh migrationgeorgiakeryn gedanwetlandssaltblackwater national refugestormsalt water intrusionwoodblue crabgedan labghosts of the coastnew jerseychanging shorelineforestsapshorelinesomerset countydelawareriverbankfloodsaltwater marshessoilthe george washington universityghost forestsurvey123swampnew yorkdead treessweet gummarshwildfirescedarmid atlanticgeologyvirginia coast reservenorth carolina

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 & 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 & WeatherEducationsand crabrockyteacherssandy beachrocky shoresintertidal monitoringalgaeintertidaltidepoolin oceanssandyrocky intertidalstudentssand crabsoceanmarineinvertebrates

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 & EnvironmentBiologyEducationseaweedoceanintertidalcrab.citizen sciencerocky shorenew zealandlimpetmarinequadratchiton

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 work marine marine biologymarinemarine biologywildlife monitoring horseshoe crabhorseshoe 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 ScienceAnimalsEcology & EnvironmentNature & Outdoorsdungenessscavenger huntnaturalistmonitoringbeach walkwashingtonoutdoorappleshorelineappbeachoceanmycoastandroidmarinecrabinvasive speciespicture

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 crabnew yorkiphonemonitoringmonitorcrab.app

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