crab.

within 25 miles

Apr 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 & WeatherBiologymigrationwater monitoringduneshorseshoe crabgeologymusselbeachphenologyphenologicalsurveyeelstewardshipamerican eelcrabsandrestorationduneecologynew hampshireoysterwaterbeachesmonitoringspawningcoastnew englandcoastal

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 & EnvironmentBiologyAnimalsbeachfloridatrainingsurveyhorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsweet gumfloridasalt water intrusionghosts of the coaststorymapnorth carolinaspartina patensdelaware baydead treesgroundwaterblue crabcoastal ecologycordgrassmaritime forestland conversionthe george washington universitywildfiresblackwater national refugestormsurvey123geographysea level risepinevirginiarising seassawgrasschesapeake baydroughtforestfloodingghost forestblack needle rushtidal inundationregenerationchanging shorelinetidecoastal educationcattus islandkeryn gedansaltwaterdying treestributariesmullica river estuaryswampcedarprime hook national wildlife refugeeastern shoresomerset countybleached treesriverbanktree stumpcoastalgedan labphragmitesshorelinewetlandsclimate changemid atlanticsaltwater marshsapdisturbancedelmarva peninsulamarinefloodestuarysalt waterdying forestsalt tolerant plantschanging landscapenew jerseykilling treesstumpnew yorkgeorgiamarshsalt tolerantdelawaregeologytree deatheast coastseawaterhurricanesaltwater marshesglobal warmingmarylandmarsh migrationsalineecologycoastal marine ecologylow elevationsaltsouth carolinawoodsalt stresssoilvirginia coast reserve

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 & WeatherEducationteachersmarinestudentssandyrockysandy beachrocky shorestidepoolrocky intertidaloceansand crabintertidal monitoringin oceansinvertebratesalgaesand crabsintertidal

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 & EnvironmentBiologyEducationoceanseaweedmarinequadratintertidalrocky shorechitoncitizen sciencenew zealandlimpetcrab.

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 Sciencemarine horseshoe crab wildlife monitoring marinehorseshoe crabwildlife monitoringfield work marine biologymarine 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 & EnvironmentAnimalsoceanpictureoutdoorinvasive speciesbeachbeach walkcrabnaturalistmycoastandroidwashingtonmonitoringmarineappleshorelinedungenessappscavenger hunt

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 & EnvironmentBiologyAnimalsnew yorkcrab.citizen-based monitoringhorseshoe crabiphonemonitorappmonitoring

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