crab.

within 25 miles

Apr 29, 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 & WeatherBiologysurveyrestorationmonitoringamerican eelwater monitoringgeologyoystercoastecologynew hampshiremigrationdunesspawningdunephenologicalhorseshoe crabcoastalstewardshipnew englandphenologybeachescrabeelwaterbeachmusselsand

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 & EnvironmentBiologyAnimalshorseshoe crabsurveybeachfloridatraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmenthurricanesapsalt tolerant plantssaltwatersalineclimate changecoastalsawgrassdead treestideghost forestkeryn gedanmarsh migrationfloodingdroughtgeologykilling treesfloodtributariesforestthe george washington universityblackwater national refugenew yorkriverbankgeorgiaspartina patenschanging shorelineghosts of the coastmullica river estuarysaltwater marshesprime hook national wildlife refugevirginiasea level risesoildelaware baygeographycordgrassdelawaregroundwaterstormland conversionglobal warmingsweet gumswamptree stumptidal inundationrising seasfloridaeastern shorelow elevationtree deathdying forestmarinestorymapnorth carolinawoodseawatermarshblack needle rushecologycoastal educationestuarydying treessaltwater marshnew jerseystumpphragmitessouth carolinacattus islandmid atlanticsaltsalt waterwildfirescedarchesapeake baydelmarva peninsulavirginia coast reservepinesalt water intrusionregenerationmarylandeast coastdisturbancecoastal ecologychanging landscapebleached treeswetlandssalt tolerantsalt stresscoastal marine ecologyblue crabgedan labsurvey123shorelinemaritime forestsomerset county

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 & WeatherEducationmarineintertidalsandy beachstudentsinvertebratesalgaesand crabsin oceanssand crabrockysandytidepoolintertidal monitoringoceanrocky intertidalrocky shoresteachers

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 zealandrocky shoreintertidalseaweedlimpetchitoncrab.oceanquadratmarinecitizen science

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 biologyhorseshoe crab wildlife monitoringmarinewildlife monitoring marine biologyfield work marine 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 & EnvironmentAnimalscrabbeach walkoutdoorshorelinepicturedungenessinvasive speciesmycoastappleandroidbeachscavenger huntwashingtonnaturalistmarinemonitoringappocean

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 & EnvironmentBiologyAnimalsapphorseshoe crabiphonemonitormonitoringcitizen-based monitoringcrab.new york

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