crab.

within 25 miles

May 22, 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 & WeatherBiologymusselsandbeachstewardshipmonitoringcoastalgeologybeachesphenologydunenew englandmigrationeelwatercrabrestorationphenologicalhorseshoe crabsurveyecologywater monitoringnew hampshireamerican eeldunesoysterspawningcoast

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 crabsurveyfloridatrainingbeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentglobal warmingsalinegeorgiasalt tolerantsea level risedelawaremarshvirginiacattus islandcoastaltidal inundationswampghosts of the coastsalt tolerant plantsgroundwaternew yorkfloodwetlandsnew jerseynorth carolinasouth carolinadying forestwildfiresmarylandecologydelmarva peninsulaeast coastmarinegedan labsaltwater marshstumpdroughtsoilkeryn gedansweet gumsaltwater marshescordgrassphragmitesland conversioncoastal marine ecologythe george washington universitykilling treesmid atlanticsaltsaltwaterregenerationwooddelaware baygeologyspartina patensdisturbancefloodingeastern shorecoastal educationchanging shorelineblack needle rushvirginia coast reserveclimate changemullica river estuarydying treesrising seasfloridadead treesstormcedartidestorymapsalt watershorelineforestbleached treesblue crabsawgrasssurvey123prime hook national wildlife refugemarsh migrationchesapeake bayriverbankblackwater national refugehurricaneseawatersalt stresssalt water intrusionmaritime forestgeographylow elevationsappineestuarycoastal ecologyghost forestsomerset countychanging landscapetree deathtree stumptributaries

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabpicturebeach walk

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 & WeatherEducationteacherssandy beachinvertebratessand crabintertidal monitoringrocky intertidalmarinestudentssand crabsintertidalrockyrocky shoresin oceansoceanalgaetidepoolsandy

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 & EnvironmentBiologyEducationcrab.rocky shoreoceanchitonseaweedlimpetquadratcitizen sciencenew zealandintertidalmarine

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 wildlife monitoring horseshoe crabmarine biologyfield work marine biologymarine marinewildlife monitoringhorseshoe 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 & EnvironmentAnimalswashingtondungenessmarineoutdoorapplemycoastbeach walkscavenger huntnaturalistmonitoringoceanshorelinepictureinvasive speciesbeachcrabandroidapp

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 & EnvironmentBiologyAnimalsmonitornew yorkcrab.citizen-based monitoringhorseshoe crabiphonemonitoringapp

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