crab

within 25 miles

Aug 4, 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 & WeatherBiologywater monitoringcoastalmusselcrabgeologyoysterdunedunesspawningmigrationsurveybeachmonitoringnew hampshirephenologysandphenologicalbeacheswatereelstewardshipamerican eelnew englandrestorationecologyhorseshoe crabcoast

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 & EnvironmentBiologyAnimalstrainingfloridahorseshoe crabbeachsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentstorymapdisturbancefloodingdelmarva peninsuladroughtsaptideeastern shorekilling treeswetlandscoastal ecologystormnew jerseychesapeake baymarsh migrationtributariesswampcedarcoastal educationecologysawgrassdead treeskeryn gedantree deathchanging shorelineghosts of the coastmid atlanticblackwater national refugeglobal warmingmarylandwildfiresgroundwaternew yorksalinesaltwaterdying forestland conversionlow elevationsoilthe george washington universitysaltwater marshesfloridaeast coastsouth carolinacattus islandpinesalt tolerantcoastalmaritime forestprime hook national wildlife refugefloodmarshnorth carolinashorelinesalt tolerant plantsgeographygedan labvirginia coast reservephragmitesrising seasclimate changebleached treesestuaryblue crabghost forestvirginiacordgrassdelaware baystumptree stumpgeorgiamarinespartina patenssaltgeologyblack needle rushsea level risetidal inundationsaltwater marshdelawarecoastal marine ecologysalt waterwooddying treessalt water intrusionhurricanesweet gumforestmullica river estuaryriverbankseawatersurvey123regenerationsomerset countychanging landscapesalt stress

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkpicturehorseshoe crab

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 & WeatherEducationsand crabstidepoolintertidalstudentsrockyteachersin oceansoceansand crabmarineintertidal monitoringrocky shoressandy beachrocky intertidalsandyalgaeinvertebrates

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 & EnvironmentBiologyEducationmarinecrab.new zealandlimpetseaweedintertidalchitonquadratcitizen scienceoceanrocky 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 biologyfield workmarinewildlife monitoringhorseshoe 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 & EnvironmentAnimalsoceandungenessshorelineandroidscavenger huntbeachappleoutdoorcrabapppicturenaturalistinvasive speciesmycoastmonitoringbeach walkmarinewashington

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 crabmonitoringnew yorkmonitorappcitizen-based monitoringcrab.iphone

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