crab.

within 25 miles

Apr 17, 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 & WeatherBiologywaterstewardshipamerican eelcrabmonitoringnew englandecologyhorseshoe crabcoastalgeologymusselphenologicalsurveyrestorationdunedunesmigrationbeachspawningsandphenologyeelcoastnew hampshirebeacheswater monitoringoyster

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 crabsurveytrainingbeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentglobal warmingsaltmid atlanticsalt stressfloridagedan labblack needle rushmarineland conversionkeryn gedanphragmitesmarylandwoodsalt water intrusionsalt tolerantwetlandsmaritime forestseawatertideclimate changepineblue crabmarsh migrationlow elevationcoastalstormcordgrassfloodsaltwater marshhurricanesalinewildfirescoastal educationecologyestuarysalt tolerant plantsriverbankeastern shoredelmarva peninsularising seassurvey123coastal ecologydisturbancetidal inundationdying treessouth carolinageographydying forestswamptributariesdroughtdelawaremarshvirginiacattus islandgroundwaternew jerseycedartree stumpghosts of the coastgeorgiasaltwatervirginia coast reservenorth carolinasapsomerset countyshorelinegeologytree deathspartina patensforestdelaware bayblackwater national refugechanging landscapestorymapsaltwater marshesnew yorkdead treesbleached treesstumpthe george washington universitychanging shorelinemullica river estuarysalt watersea level risekilling treeseast coastregenerationchesapeake baysweet gumfloodingghost forestprime hook national wildlife refugecoastal marine ecologysoilsawgrass

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 crabin oceanssandyalgaeintertidalrocky shoresrocky intertidalintertidal monitoringinvertebratesstudentsmarineteacherssand crabsoceantidepoolrockysandy beach

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 & EnvironmentBiologyEducationlimpetseaweedquadratcitizen scienceoceannew zealandchitonmarineintertidalrocky shorecrab.

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 Sciencewildlife monitoringhorseshoe crab marine biology marinefield workmarine biology horseshoe crabmarine 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 & EnvironmentAnimalsappmonitoringdungenessbeach walkoceanbeachcrabinvasive speciesnaturalistpictureshorelineoutdoorwashingtonmycoastapplemarineandroidscavenger 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 & EnvironmentBiologyAnimalsnew yorkhorseshoe crabiphoneappcrab.monitoringmonitorcitizen-based monitoring

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