crab.

within 25 miles

Dec 10, 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 & WeatherBiologydunescrabnew englandecologynew hampshiregeologyamerican eelwater monitoringspawningoysterdunewatermusselcoastmigrationphenologybeachsandhorseshoe crabmonitoringbeachessurveyeelrestorationcoastalstewardshipphenological

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 & EnvironmentBiologyAnimalsfloridasurveyhorseshoe crabbeachtraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentdroughtkeryn gedansurvey123disturbancenew jerseydead treesriverbankgeologywetlandssapphragmitessalt tolerant plantsswampsoilmullica river estuaryspartina patenssalt waterhurricanegeographymaritime forestvirginia coast reserveprime hook national wildlife refugesalt tolerantseawaterestuarybleached treesdelawaresea level riseland conversionnew yorkmarsh migrationglobal warmingthe george washington universitygroundwaterclimate changestumpwildfiresdelmarva peninsulatree deathchanging landscapeblack needle rushvirginiasaltstormchanging shorelinemid atlanticghosts of the coastdelaware bayghost forestkilling treessaltwater marsheseast coastblackwater national refugeforeststorymapsawgrasssaltwater marshsomerset countysaltwaterdying forestcoastal ecologyrising seascedarcoastalnorth carolinacordgrassecologywoodtidetributarieschesapeake bayfloodingeastern shoregeorgialow elevationsouth carolinasalt stressfloodtidal inundationmarylandshorelinemarinepinetree stumpsalineregenerationcoastal marine ecologysweet gumcoastal educationdying treesgedan labsalt water intrusioncattus islandblue crabmarshflorida

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 & WeatherEducationintertidal monitoringrocky shoresteachersin oceanssandy beachsand craboceansand crabsrocky intertidalintertidalmarinesandytidepoolinvertebratesstudentsrockyalgae

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 & EnvironmentBiologyEducationmarinechitonseaweedoceanlimpetintertidalcrab.citizen sciencenew zealandrocky shorequadrat

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 marinemarine horseshoe crabfield work marine biologymarine biologyhorseshoe crab wildlife monitoringwildlife 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 & Outdoorsnaturalistandroidapppicturemycoastoutdooroceanshorelinecrabbeach walkscavenger huntapplemarinebeachdungenessmonitoringinvasive specieswashington

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 yorkmonitoringcrab.citizen-based monitoringiphonehorseshoe crabmonitorapp

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