crab.

within 25 miles

Mar 23, 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 & WeatherBiologydunescoastalgeologybeachoysterphenologysurveywaterbeachesrestorationwater monitoringecologymusselduneeelstewardshipphenologicalcoastmonitoringspawningcrabnew hampshiremigrationhorseshoe crabsandnew englandamerican eel

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 & EnvironmentBiologyAnimalsbeachsurveytrainingfloridahorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentclimate changeriverbankcattus islanddelawarevirginia coast reservedroughtmarsh migrationghosts of the coaststumptidefloodgedan labsea level riseeast coastkeryn gedansalt waterspartina patenswetlandssapchesapeake baycoastal ecologytributariesglobal warmingnew yorktidal inundationstormland conversionsurvey123wildfiresshorelineblack needle rushblackwater national refugeswampdelmarva peninsulapinesouth carolinacedarphragmitesgeorgiacoastal educationvirginianew jerseygeographygroundwatersweet gumdead treesdelaware bayhurricanechanging shorelinemid atlanticdying forestkilling treessaltwatersaltwater marshsalinetree deathwoodcoastal marine ecologynorth carolinableached treesmaritime forestsaltforestsalt tolerantthe george washington universitytree stumpfloodingsalt stresseastern shoresoilghost forestecologyprime hook national wildlife refugerising seasestuaryblue crabsaltwater marshesfloridadisturbancesawgrassstorymapchanging landscapemarinecoastalmarylandgeologycordgrassseawaterdying treesmarshsomerset countysalt tolerant plantslow elevationsalt water intrusionregenerationmullica river estuary

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 & WeatherEducationteachersrocky intertidalinvertebratestidepoolrockysand crabsandy beachmarinesandyoceansand crabsin oceansintertidalstudentsalgaerocky shoresintertidal monitoring

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 & EnvironmentBiologyEducationlimpetintertidalcitizen sciencenew zealandrocky shorechitonoceanmarinequadratcrab.seaweed

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 Sciencefield workmarine wildlife monitoring marine biologyhorseshoe crab marinewildlife monitoring horseshoe crabmarine 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 & EnvironmentAnimalsbeach walkmarinenaturalistandroidscavenger huntwashingtonoceanbeachapplecrabpictureappdungenessinvasive speciesmonitoringoutdoorshorelinemycoast

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 & EnvironmentBiologyAnimalsappcrab.monitormonitoringiphonenew yorkcitizen-based monitoringhorseshoe crab

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