crab

within 25 miles

Jun 15, 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 & WeatherBiologyoysterspawningphenologicalstewardshipmusselmonitoringeelbeachrestorationcoastaldunescrabwater monitoringdunenew hampshirephenologyamerican eelnew englandgeologywatercoastbeacheshorseshoe crabmigrationsandecologysurvey

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 crabfloridasurveybeachtraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentstormsouth carolinaland conversiongeologyblackwater national refugemaritime forestmullica river estuaryghost forestsalinetidelow elevationmarsh migrationnew yorkmarylandnew jerseydying treesswamptree stumpcattus islandsalt tolerantestuaryprime hook national wildlife refugepinecoastalspartina patensdroughtsapeastern shoregeographyseawaterfloridachesapeake baydead treesshorelineclimate changetree deathstumprising seaswildfireschanging shorelinecoastal ecologydelawarecordgrasskeryn gedanriverbanksoildisturbancegeorgiaeast coastforestgroundwaterbleached treesvirginia coast reserveecologysaltwater marshblue crabdying forestsea level risehurricanesawgrasssomerset countyblack needle rushsalt tolerant plantsmid atlanticglobal warmingthe george washington universitysalt stresskilling treesstorymapgedan labcoastal educationsalt waterdelmarva peninsulasaltwaterdelaware baymarineghosts of the coastchanging landscapewoodvirginiasalt water intrusionsaltwetlandstidal inundationcoastal marine ecologytributariesfloodsweet gumsurvey123floodingnorth carolinacedarmarshregenerationphragmitessaltwater marshes

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 & WeatherEducationsandy beachtidepoolsandyteacherssand crabsoceanrockysand crabrocky intertidalinvertebratesintertidalintertidal monitoringrocky shoresin oceansmarinealgaestudents

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 & EnvironmentBiologyEducationcitizen sciencerocky shorecrab.limpetintertidalmarinenew zealandoceanseaweedchitonquadrat

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 Science marine biology marine wildlife monitoringwildlife monitoringhorseshoe crabfield workmarine biologymarine horseshoe crab

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 & EnvironmentAnimalsinvasive speciesbeach walkmycoastmarinecrabshorelineapppictureappleoceanandroidoutdoorwashingtondungenessmonitoringscavenger huntbeachnaturalist

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 & EnvironmentBiologyAnimalshorseshoe crabmonitoringnew yorkcitizen-based monitoringcrab.iphoneappmonitor

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