crab.

within 25 miles

May 3, 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 & WeatherBiologycoastalgeologymigrationrestorationeelsandphenologicalamerican eeldunecoastnew englandphenologybeachesecologymonitoringsurveycraboysterwaterbeachspawningstewardshiphorseshoe crabdunesmusselnew hampshirewater monitoring

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 & EnvironmentBiologyAnimalstraininghorseshoe crabfloridasurveybeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsomerset countywildfirescoastal marine ecologyecologylow elevationspartina patensfloodcoastaldelaware baystumpsaltwater marshessouth carolinafloridanorth carolinachanging landscapesweet gumforeststormmullica river estuaryblack needle rushhurricanesalinetidal inundationcordgrasssaltmarinemarylandrising seascattus islandprime hook national wildlife refugemarsh migrationswampghost forestsea level risemaritime forestseawatersawgrassmarshdying forestghosts of the coasttideglobal warmingriverbankstorymapblue crabclimate changeblackwater national refugegeographytributariesshorelinechesapeake baysaltwater marshgedan labpinesapsalt watersoilvirginia coast reservesalt tolerant plantsnew yorkwoodtree stumpsalt water intrusiondelmarva peninsulageorgiavirginiasalt tolerantsalt stresswetlandsregenerationeastern shoresaltwatercoastal educationgeologyland conversioncedarestuarysurvey123killing treeskeryn gedangroundwatertree deathchanging shorelinecoastal ecologydelawarebleached treesmid atlanticdying treeseast coastdroughtnew jerseythe george washington universityfloodingdisturbancedead treesphragmites

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 & 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 & WeatherEducationrocky shoresin oceanssandyinvertebratessandy beachsand crabalgaestudentsrockyintertidal monitoringsand crabstidepoolmarineoceanintertidalrocky intertidalteachers

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 & EnvironmentBiologyEducationrocky shorenew zealandseaweedcrab.citizen scienceintertidalmarineoceanchitonlimpetquadrat

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 horseshoe crabwildlife monitoringfield workmarine biologyhorseshoe crab marine biologymarine marine wildlife 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 ScienceNature & OutdoorsEcology & EnvironmentAnimalsbeachscavenger huntappleshorelineinvasive speciesoceandungenessmycoastapppictureoutdoormarinebeach walkwashingtoncrabmonitoringnaturalistandroid

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.iphonehorseshoe crabmonitorcitizen-based monitoringmonitoringnew york

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