crab.

within 25 miles

Mar 18, 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 & WeatherBiologystewardshiphorseshoe crabmonitoringoystersurveycoastalbeachesmusselbeacheelspawningcoastwaterrestorationwater monitoringmigrationcrabphenologicalgeologyamerican eelphenologynew englandsandecologynew hampshiredunedunes

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 & EnvironmentBiologyAnimalsbeachtrainingfloridahorseshoe crabsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentmid atlanticdroughtglobal warmingwetlandsgeorgiadying forestcoastaleastern shoretributariesstumpsaltwatercattus islandsoilfloodnew jerseydelaware baybleached treesgeologyland conversiontree deathestuarysurvey123mullica river estuarygeographyblackwater national refugeshorelineblue crabghost forestvirginiawoodchesapeake baychanging landscapeclimate changecordgrasssalt waternew yorktidal inundationtidedelmarva peninsuladisturbancesweet gumsaltwater marshesforestmaritime foreststorymapcoastal ecologymarsh migrationseawaterphragmitesdelawarekilling treesghosts of the coastfloridasea level risesawgrasssalt tolerantdying treeslow elevationhurricanetree stumpsalt stresschanging shorelinesomerset countygedan labcedarpinespartina patenskeryn gedanstormsouth carolinasalt tolerant plantsregenerationmarinesalinerising seasdead treessaltwater marshblack needle rushwildfiressapriverbankthe george washington universitynorth carolinasaltfloodingswampmarylandmarshcoastal marine ecologyeast coastecologysalt water intrusioncoastal educationgroundwaterprime hook national wildlife refugevirginia 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 & 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 & WeatherEducationsandy beachintertidalsand crabstidepoolsandystudentsmarinein oceansalgaesand crabrockyinvertebratesrocky intertidalrocky shoresteachersintertidal monitoringocean

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 & EnvironmentBiologyEducationmarinecitizen sciencecrab.new zealandchitonoceanrocky shoreseaweedquadratintertidallimpet

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 Science marinemarinehorseshoe crab horseshoe crabwildlife monitoring marine biologymarine biologyfield work 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 & EnvironmentAnimalsoceanmonitoringbeachmycoastdungenessbeach walkinvasive speciesoutdoorshorelinecrabapplemarinepicturescavenger huntwashingtonnaturalistandroidapp

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 crabmonitormonitoringcrab.iphonecitizen-based monitoringnew york

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