crab.

within 25 miles

Aug 2, 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 & WeatherBiologynew hampshiresandrestorationoysterbeachesnew englandcrabmigrationwaterwater monitoringcoastalsurveyamerican eelgeologybeachspawningphenologycoastmonitoringduneeelmusseldunesphenologicalecologystewardshiphorseshoe crab

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 & EnvironmentBiologyAnimalstrainingsurveyfloridahorseshoe crabbeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmenteast coastseawaterdelawaresalt stresstidal inundationsurvey123saltwater marshfloodblackwater national refugesaltwaternew jerseysaltwater marshesmarinesalt tolerant plantsriverbankeastern shorestorymapbleached treesstormvirginia coast reserveestuarydying treessea level risesomerset countymid atlanticland conversionshorelineregenerationdroughtspartina patensdisturbancecoastal educationsapsouth carolinaghosts of the coastgeographysawgrassblue crabforestgedan labcoastal marine ecologypinesalt water intrusionthe george washington universitycattus islandsweet gumfloridacedarchanging shorelinegeologydelmarva peninsulacoastaltributariesghost forestwildfireskeryn gedanmullica river estuarymarsh migrationcoastal ecologywoodnew yorktree deathfloodinghurricanegeorgiachanging landscapekilling treessalinesalt toleranttree stumpchesapeake baygroundwatervirginiaclimate changeecologyphragmitessalt waterstumpprime hook national wildlife refugecordgrasssoildying forestmaritime forestrising seasmarylanddead treeswetlandsswampsaltglobal warmingmarshblack needle rushtidelow elevationdelaware baynorth carolina

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturebeach walkhorseshoe 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 & WeatherEducationsandyteacherstidepoolalgaesand crabsintertidalstudentssandy beachoceanintertidal monitoringinvertebratesrocky intertidalsand crabrockymarinerocky shoresin oceans

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 shorecrab.limpetoceancitizen scienceseaweedmarinechitonquadratintertidal

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 Sciencehorseshoe crabfield workwildlife monitoringmarinemarine 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 & EnvironmentAnimalsbeach walkappbeachinvasive speciesdungenessmonitoringoceannaturalistwashingtonscavenger huntapplemycoastandroidoutdoorcrabshorelinemarinepicture

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 & EnvironmentBiologyAnimalscrab.monitoringmonitornew yorkcitizen-based monitoringappiphonehorseshoe crab

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