crab.

within 25 miles

Dec 7, 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 & WeatherBiologymusselrestorationmigrationsurveyphenologyphenologicalcoastmonitoringcrabdunenew englandspawningecologyoystereelsandbeachesamerican eeldunesnew hampshirewater monitoringcoastalhorseshoe crabbeachgeologywaterstewardship

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 & EnvironmentBiologyAnimalssurveytraininghorseshoe crabbeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentghosts of the coastkeryn gedancoastal educationstormblack needle rushshorelinestumpcedarland conversionsweet gumblue crabsomerset countymullica river estuarysurvey123east coastecologybleached treesprime hook national wildlife refugevirginia coast reservemarsh migrationcoastalsalt water intrusionsalt watersouth carolinacordgrasssalinefloodingsaltwater marshessalt stressmarshsaltwatereastern shorecoastal ecologyregenerationsalt tolerant plantscattus islandseawaterghost forestsalt tolerantwildfirestidedelmarva peninsuladisturbancerising seassaltwater marshtree stumpsaltsoilnew yorksawgrassnorth carolinanew jerseythe george washington universityfloridadying forestdead treesgeographydying treescoastal marine ecologykilling treestributariesgeologytidal inundationsapphragmitespinesea level riseglobal warmingmarylandmarinemaritime forestdelaware baydroughtvirginialow elevationriverbankgedan labtree deathspartina patenswetlandsdelawarewoodgroundwaterforestclimate changechesapeake baystorymapblackwater national refugemid atlanticgeorgiahurricanefloodswampchanging shorelineestuarychanging landscape

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 shorestidepoolrockyinvertebratessand crabsand crabsintertidalstudentsintertidal monitoringteachersin oceanssandyrocky intertidalsandy beachmarinealgaeocean

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 & EnvironmentBiologyEducationcitizen scienceseaweedmarinecrab.rocky shoreoceanquadratlimpetnew zealandintertidalchiton

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 wildlife monitoring marine biologymarine horseshoe crabmarine biologywildlife monitoringhorseshoe crabfield work

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 & Outdoorsbeachmonitoringinvasive speciesapplepicturemarinecrabscavenger huntshorelineoutdoordungenessoceanmycoastwashingtonandroidbeach walkappnaturalist

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 & EnvironmentBiologyAnimalsmonitornew yorkmonitoringcrab.iphoneapphorseshoe crabcitizen-based monitoring

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