crab.

within 25 miles

Feb 11, 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 & WeatherBiologyphenologynew englandwater monitoringamerican eelmigrationsurveycoastalgeologydunescoastnew hampshiredunerestorationphenologicalbeachesspawningsandmonitoringecologyhorseshoe crabmusselbeachstewardshipeelcrabwateroyster

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 & EnvironmentBiologyAnimalsbeachhorseshoe crabfloridatrainingsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentgeographycedarcoastal educationphragmiteschanging shorelinedead treeslow elevationclimate changeecologytree deathnew jerseydroughtchesapeake baysaltwater marshstumpsoilestuarycattus islandmaritime forestregenerationsea level risemullica river estuarymarshsomerset countythe george washington universitynorth carolinacoastalsurvey123global warmingblue crabcordgrasscoastal ecologybleached treesstormsapmarsh migrationrising seasmid atlantictributariesdelawaresouth carolinadisturbancecoastal marine ecologysalt tolerantmarylandriverbankdelmarva peninsulashorelineforestnew yorkeast coastsweet gumstorymapwetlandshurricaneswampsaltwaterseawatersalt watersalinevirginiaprime hook national wildlife refugesalt tolerant plantsland conversionkilling treeschanging landscapesaltwater marshessalt stresskeryn gedangedan labsaltfloridaeastern shorefloodsawgrassdelaware baysalt water intrusionghosts of the coastwoodpinevirginia coast reservedying treesdying forestmarinefloodinggeorgiablack needle rushgeologytidal inundationghost forestwildfirestidespartina patensgroundwatertree stumpblackwater national refuge

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 & Environmenthorseshoe crabsdelaware bay

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 intertidaloceanintertidalsand crabalgaetidepoolsandy beachinvertebratesrocky shoresstudentsmarinein oceansteachersintertidal monitoringsandysand crabsrocky

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 & EnvironmentBiologyEducationmarinequadratseaweednew zealandoceanchitoncrab.limpetrocky shoreintertidalcitizen 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 horseshoe crabmarine biology marine biologywildlife monitoring wildlife monitoring marinefield workhorseshoe 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 & EnvironmentAnimalsbeachpictureoutdoormarineapplenaturalistbeach walkmycoastdungenesscrabandroidscavenger huntwashingtonshorelineappinvasive speciesmonitoringocean

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 & EnvironmentBiologyAnimalsmonitoringhorseshoe crabcrab.iphonenew yorkcitizen-based monitoringappmonitor

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