crab.

within 25 miles

Jun 5, 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 & WeatherBiologybeachescrabrestorationmonitoringsandphenologymusselbeachoysterphenologicaldunesstewardshipamerican eelcoastecologydunesurveyeelnew englandhorseshoe crabmigrationspawningwater monitoringnew hampshirewatercoastalgeology

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 & EnvironmentBiologyAnimalstrainingbeachfloridasurveyhorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentdelmarva peninsulamullica river estuaryhurricanesouth carolinadying forestsalt tolerant plantsprime hook national wildlife refugesapghost forestdisturbancerising seasgedan labstormswampsalt water intrusionnew jerseyeastern shoremaritime forestcordgrassdroughtland conversionsaltwater marshsalt watersea level riseblue crabgroundwatercoastalwetlandsmarshsweet gumchanging shorelinegeorgiageographytidal inundationcoastal educationnorth carolinatree stumpfloodinggeologychesapeake bayspartina patenswildfiresforestclimate changesalt stressecologyshorelinecoastal ecologydelaware baysaltpinekilling treesdead treescoastal marine ecologymarylandcattus islandsaltwaterglobal warmingvirginiasalinemid atlanticsawgrassregenerationvirginia coast reservedelawareestuaryblackwater national refugebleached treestidethe george washington universitymarsh migrationtributariesdying treessomerset countystumpfloridachanging landscapeeast coastcedarphragmitesmarinetree deathsurvey123new yorkblack needle rushkeryn gedanseawatersalt tolerantsaltwater marsheslow elevationsoilfloodghosts of the coastriverbankstorymapwood

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 & WeatherEducationoceanrocky intertidalin oceanssandysand crabssand crabrockyintertidal monitoringstudentsmarinetidepoolalgaeteacherssandy beachintertidalinvertebratesrocky shores

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 & EnvironmentBiologyEducationintertidalseaweedmarinecrab.oceanchitoncitizen sciencelimpetnew zealandquadratrocky shore

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 marinemarinemarine biologywildlife monitoringfield work wildlife monitoring marine biologyhorseshoe crab horseshoe crab

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 & EnvironmentAnimalsoceancrabmarinenaturalistmycoastandroidbeachpictureoutdoorscavenger huntshorelinedungenessbeach walkappwashingtoninvasive speciesmonitoringapple

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 & EnvironmentBiologyAnimalsmonitoringhorseshoe crabcitizen-based monitoringappcrab.monitoriphonenew york

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