crab.

within 25 miles

Jan 10, 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 & WeatherBiologygeologynew hampshireeelamerican eelecologywaterhorseshoe crabmigrationwater monitoringcrabcoastdunesbeachesbeachmusselstewardshiprestorationcoastalphenologyspawningnew englandmonitoringsurveyphenologicaloysterdunesand

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 & EnvironmentBiologyAnimalsfloridahorseshoe crabtrainingsurveybeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentdead treeswetlandsecologynew jerseysweet gumsaltwater marshmarinesawgrasssalinetidenew yorkwoodstormphragmiteschesapeake baycoastalblue crabsurvey123hurricanemaritime forestsouth carolinacoastal ecologycoastal marine ecologytidal inundationprime hook national wildlife refugeestuarysaltfloodingfloridagedan labchanging landscaperising seasland conversionchanging shorelinesalt tolerantnorth carolinasapsea level risemarsh migrationforeststumpcattus islandlow elevationmid atlanticseawaterkeryn gedandying forestgeographyghost forestwildfiresbleached treesgeologyfloodvirginia coast reserveglobal warmingsaltwater marshesdisturbancepinecordgrasstree deathblackwater national refugeswampcedarshorelinestorymapmullica river estuarydelmarva peninsulathe george washington universitysalt waterdelaware baysaltwaterkilling treesgeorgiadying treesriverbanksalt stresseast coastspartina patensblack needle rushtree stumpsoilmarylandcoastal educationdelawareghosts of the coastsalt tolerant plantsregenerationeastern shorevirginiatributariessalt water intrusionclimate changegroundwatersomerset countymarshdrought

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturehorseshoe crabbeach 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 & 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 & WeatherEducationsandyalgaeintertidaltidepoolmarineinvertebratesteachersoceanintertidal monitoringin oceanssand crabstudentsrocky intertidalsand crabsrocky shoressandy beachrocky

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 & EnvironmentBiologyEducationnew zealandoceancrab.limpetcitizen scienceseaweedintertidalquadratmarinerocky 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 Science marine biologywildlife monitoring wildlife monitoringfield workhorseshoe crabmarine biologymarine horseshoe crab marine

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 & EnvironmentAnimalsoutdoormycoastinvasive speciesapplescavenger huntbeachbeach walkoceancrabdungenessmarinemonitoringnaturalistpictureandroidshorelinewashingtonapp

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 & EnvironmentBiologyAnimalsmonitoringcrab.iphonecitizen-based monitoringnew yorkmonitorapphorseshoe crab

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