crab.

within 25 miles

Mar 6, 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 & WeatherBiologycoastalmusselsurveycraboysterduneecologyphenologicalmonitoringbeachescoastrestorationmigrationnew englandduneseelphenologyamerican eelsandnew hampshirestewardshiphorseshoe crabbeachwater monitoringspawninggeologywater

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 & EnvironmentBiologyAnimalsbeachfloridahorseshoe crabsurveytraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentshorelinebleached treesmarsh migrationwetlandsfloodingcoastal ecologynorth carolinaprime hook national wildlife refugeforestsomerset countysalt stresscoastal marine ecologytideregenerationcedarhurricanegedan labswampdelawaresea level risesalt water intrusionghosts of the coastwoodsaltwater marshesmullica river estuarydelmarva peninsulastormfloridaclimate changedroughtmarshtributariesdying treesdying forestchesapeake baysaltwater marshblack needle rushrising seasdisturbanceecologyphragmitesnew jerseyeastern shoreghost foresttree deaththe george washington universitystumpmid atlanticsawgrassestuarysalt watergroundwaterglobal warmingdead treeschanging landscapecordgrassseawatertree stumpnew yorksalinesalt tolerant plantsstorymapsweet gumgeographylow elevationsalt tolerantriverbankgeorgiasapmarylandsouth carolinamarinefloodvirginiasurvey123land conversiondelaware baychanging shorelinepinesoilsaltwaterkilling treesvirginia coast reserveblackwater national refugekeryn gedancattus islandeast coastwildfiresmaritime forestcoastalsaltspartina patenstidal inundationcoastal educationblue crabgeology

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 & WeatherEducationsand crabsrocky intertidalsandyrockytidepoolintertidal monitoringin oceansteacherssandy beachrocky shoresoceanmarinealgaesand crabinvertebratesstudentsintertidal

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 & EnvironmentBiologyEducationcrab.marineoceanlimpetrocky shorenew zealandchitonseaweedcitizen sciencequadratintertidal

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 biologyhorseshoe crabfield work wildlife monitoring marinewildlife monitoringmarine 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 & EnvironmentAnimalsdungenessshorelineoutdoorandroidapplewashingtoninvasive speciesoceanmonitoringbeach walkcrabbeachmarinescavenger huntmycoastappnaturalistpicture

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 & EnvironmentBiologyAnimalsiphonemonitornew yorkappcitizen-based monitoringcrab.horseshoe crabmonitoring

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