crab.

within 25 miles

Jun 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 & WeatherBiologyphenologicalbeachescoastalrestorationmusselsurveystewardshipeelamerican eelcrabcoastgeologynew englandsandnew hampshiredunesspawninghorseshoe crabwater monitoringduneecologywatermonitoringoystermigrationbeachphenology

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 & EnvironmentBiologyAnimalstrainingfloridasurveybeachhorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmenttidecoastalforestwoodlow elevationdelawaresalinemid atlanticmarylandcedarsaltwater marshessalt stressdying forestgeographyriverbankbleached treesnew jerseystorymapsawgrasswetlandsdroughtpinesaltwatersaltwater marshcoastal ecologyphragmitesmaritime forestspartina patensblack needle rushcoastal marine ecologytidal inundationestuaryregenerationcattus islandmarineblackwater national refugeeast coastgroundwaterdelmarva peninsulaland conversionseawatersalt water intrusioneastern shorecoastal educationsapecologysouth carolinakilling treescordgrasstree deathstumpghost foresttributariesghosts of the coastsurvey123tree stumpsaltchesapeake baysalt watersweet gumsoilsomerset countymarsh migrationswampsea level riseshorelinefloodnorth carolinadying treesprime hook national wildlife refugewildfireskeryn gedanclimate changestormthe george washington universityfloodingvirginia coast reservedelaware bayblue crabrising seasdead treessalt tolerantmullica river estuaryglobal warmingdisturbancevirginiageorgiahurricanegeologymarshfloridagedan labsalt tolerant plantsnew yorkchanging landscapechanging shoreline

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 & WeatherEducationstudentssand crabsrockymarinesandyrocky shorestidepoolrocky intertidaloceanteachersintertidal monitoringsand crabalgaein oceansinvertebratesintertidalsandy beach

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 & EnvironmentBiologyEducationlimpetintertidalrocky shoreoceanchitoncrab.citizen sciencenew zealandseaweedquadratmarine

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 Sciencefield work horseshoe crabmarinewildlife monitoringmarine biology wildlife monitoring marinehorseshoe crab marine 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 & EnvironmentAnimalsdungenessappappleoutdoorshorelinemonitoringmarinenaturalistmycoastbeachscavenger huntoceancrabinvasive speciesbeach walkandroidpicturewashington

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 & EnvironmentBiologyAnimalshorseshoe crabmonitoriphonecitizen-based monitoringappmonitoringnew yorkcrab.

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