crab.

within 25 miles

Apr 28, 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 & WeatherBiologyecologymusselnew englandhorseshoe crabwater monitoringamerican eelbeachesoysterrestorationcoastmigrationmonitoringcoastalphenologynew hampshiregeologysurveyeelspawningstewardshipduneswatersandcrabdunebeachphenological

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 & EnvironmentBiologyAnimalssurveybeachfloridahorseshoe crabtraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentcoastal educationeastern shoresalt water intrusionvirginia coast reservekilling treestree stumpsoildisturbancestumpghost foreststorymapghosts of the coastsaltwatermarylandmaritime forestregenerationsalt waterchesapeake baysaltwater marshgedan labblack needle rushwoodhurricanepinetributarieswildfiresmullica river estuarywetlandssomerset countymarshriverbankthe george washington universitynew yorkestuarysouth carolinakeryn gedantidal inundationdead treesblue crabphragmitesglobal warmingsapsalt stressecologysaltwater marshesmid atlanticcoastal ecologyswampforestseawaterfloodsurvey123blackwater national refugefloodingsalinecordgrasscoastal marine ecologybleached treesgeorgiamarsh migrationfloridaprime hook national wildlife refugeeast coastspartina patenschanging shorelinedroughtgroundwaterrising seaslow elevationsalt tolerantnew jerseydying treessawgrassgeologymarinecoastalstormdelaware bayvirginiasalttideshorelinecedardying forestland conversionclimate changedelawarecattus islandsea level risesweet gumgeographytree deathnorth carolinasalt tolerant plantschanging landscapedelmarva peninsula

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 & 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 & WeatherEducationteachersrocky intertidalrocky shorestidepoolmarinesandystudentsin oceansalgaesand crabssand crabrockyoceanintertidal monitoringsandy beachintertidalinvertebrates

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 & EnvironmentBiologyEducationquadratintertidalseaweednew zealandrocky shorechitonlimpetcitizen sciencecrab.oceanmarine

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 Sciencemarinehorseshoe crab marinefield work horseshoe crab wildlife monitoringmarine biologywildlife monitoring 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 & EnvironmentAnimalsoceannaturalistscavenger huntshorelinemonitoringdungenessappappleinvasive speciesoutdoorbeach walkpicturemarinebeachcrabwashingtonandroidmycoast

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 & EnvironmentBiologyAnimalscitizen-based monitoringmonitorcrab.iphonenew yorkmonitoringapphorseshoe crab

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