crab.

within 25 miles

Mar 7, 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 & WeatherBiologycrabcoastecologysurveyrestorationnew hampshiremigrationstewardshipdunewaterbeachdunesmonitoringhorseshoe crabwater monitoringgeologyphenologicalsandspawningeelcoastalamerican eelmusselnew englandoysterphenologybeaches

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 crabfloridabeachsurveytraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentthe george washington universitybleached treessea level risesurvey123wildfiresspartina patensfloodingdelawarecoastal marine ecologyflooddisturbancesalt tolerant plantslow elevationgroundwaterghost forestcedarforestsalt water intrusiongeographytree stumpdying treesecologynorth carolinaland conversionkeryn gedancoastal educationdead treestributariessalt tolerantblackwater national refugesappineblue crabvirginia coast reserveghosts of the coastmaritime forestdying forestwetlandssawgrassregenerationstumptidecoastalcordgrassmarsh migrationmullica river estuaryriverbankmarshsouth carolinasalt stressfloridamid atlanticcoastal ecologymarylandnew jerseyeast coastwoodstormsomerset countymarinesaltblack needle rushchanging landscapedelaware baygedan labvirginiashorelinechesapeake baysalt waterrising seastidal inundationswampkilling treesclimate changeeastern shoredroughtseawaterstorymapsalinesweet gumgeorgianew yorksaltwater marshesprime hook national wildlife refugeestuarycattus islanddelmarva peninsulaphragmitessaltwatersaltwater marshtree deathhurricanechanging shorelinegeologysoilglobal warming

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkpicturehorseshoe crab

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 & Environmentdelaware bayhorseshoe crabs

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 & WeatherEducationintertidalsandy beachintertidal monitoringmarinealgaerockysandyteacherssand crabssand crabin oceanstidepoolrocky shoresoceanrocky intertidalstudentsinvertebrates

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 & EnvironmentBiologyEducationquadratcrab.oceanmarineseaweedlimpetintertidalnew zealandcitizen sciencerocky shorechiton

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 Sciencehorseshoe crabwildlife monitoringmarine biologymarinefield work wildlife monitoring marine horseshoe crab marine biology

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 & EnvironmentAnimalsoceanappleinvasive speciesmonitoringpicturemycoastappbeachoutdoorbeach walkmarinedungenessscavenger huntnaturalistwashingtonshorelinecrabandroid

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 & EnvironmentBiologyAnimalscrab.monitorhorseshoe crabiphonenew yorkcitizen-based monitoringappmonitoring

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