crab.

within 25 miles

Jan 31, 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 & WeatherBiologygeologywatermigrationdunesdunerestorationamerican eelmusseloystersandphenologyspawningphenologicalbeachescoastecologyhorseshoe crabnew hampshirecrabeelsurveymonitoringwater monitoringcoastalbeachstewardshipnew england

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 crabsurveytrainingbeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentchanging shorelinesalt tolerantlow elevationriverbankstorymapecologycoastal ecologydying treesphragmitessalt tolerant plantssurvey123delaware baydelmarva peninsulaprime hook national wildlife refugedisturbancevirginia coast reservegeographyswampcattus islandcoastal marine ecologybleached treesghosts of the coastnew yorkregenerationsouth carolinachanging landscapecoastalmarshstumpcordgrassblack needle rushforestnorth carolinasawgrasswetlandsmullica river estuarygeologysweet gumgeorgiamarsh migrationdead treesgedan labclimate changesalt waterdroughtwoodspartina patenssea level riseshorelinechesapeake bayblackwater national refugeghost forestmaritime forestcedarsaltwater marshhurricanesomerset countytidal inundationsalt stresssaltwaterpinerising seasfloodeastern shoretree deathmarylanddelawarecoastal educationsaltwater marsheskeryn gedangroundwaterfloodingtidefloridasalt water intrusionsoilsapdying forestsalinetributarieseast coastsaltestuarymarinekilling treesseawaterblue crabvirginiatree stumpnew jerseythe george washington universityland conversionglobal warmingstormwildfiresmid atlantic

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabpicturebeach 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 & 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 & WeatherEducationrockyrocky intertidalmarineteacherssand crabinvertebratesintertidal monitoringtidepoolstudentssandy beachin oceansrocky shoresintertidaloceanalgaesandysand crabs

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 & EnvironmentBiologyEducationoceanintertidalchitoncrab.seaweedmarinelimpetquadratcitizen sciencenew zealandrocky shore

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 biology marinehorseshoe crabfield work marine biology horseshoe crabmarinewildlife monitoring wildlife monitoring

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 & EnvironmentAnimalsapplecrabwashingtonscavenger huntmonitoringbeachmycoastbeach walkdungenesspictureinvasive speciesnaturalistoutdoorappandroidshorelinemarineocean

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 & EnvironmentBiologyAnimalsappcitizen-based monitoringmonitoringmonitorhorseshoe crabiphonenew yorkcrab.

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