crab.

within 25 miles

May 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 & WeatherBiologyphenologicalmonitoringsandmigrationamerican eelcrabsurveynew englandbeachescoasteelcoastalwatermusselphenologyspawningrestorationdunesbeachecologydunestewardshiphorseshoe crabnew hampshireoysterwater monitoringgeology

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 crabtrainingsurveybeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsalt water intrusionsawgrasshurricanestorymapseawatergeologyblue crabtree stumpvirginia coast reserveriverbankgedan labstormswampmid atlantictidal inundationlow elevationclimate changenew jerseysomerset countysea level risecoastal educationrising seasforestbleached treesmarshgeorgiasaltwater marshesdying foresteast coasteastern shoretidesalt stressmaritime forestmarylandcedarregenerationcoastal marine ecologydelawarefloodsaltsweet gumdisturbancenew yorkpineglobal warmingshorelinekeryn gedanwoodland conversiondroughtsaltwatersurvey123floridachanging landscapedead treesspartina patenskilling treesghosts of the coastcordgrasscoastal ecologyvirginiaecologysalt tolerantthe george washington universityblackwater national refugemullica river estuarysalt tolerant plantssapdelaware bayprime hook national wildlife refugewetlandschesapeake bayestuaryfloodingnorth carolinamarsh migrationchanging shorelinecattus islandsaltwater marshstumpwildfiresblack needle rushgroundwatercoastaldying treesmarinetributariesgeographyghost forestsoilsalinedelmarva peninsulatree deathphragmitessalt watersouth carolina

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 & WeatherEducationalgaesandyinvertebratessand craboceanteacherssand crabsrocky intertidalsandy beachrockyintertidal monitoringin oceansrocky shoresintertidaltidepoolstudentsmarine

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 & EnvironmentBiologyEducationcitizen sciencelimpetquadratcrab.oceanseaweednew zealandrocky shoremarinechitonintertidal

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 marine biologymarine biologymarinewildlife monitoring marine horseshoe crabhorseshoe crab 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 & EnvironmentAnimalsinvasive speciespicturemycoastwashingtonmonitoringbeachbeach walkoutdoormarineapplecrabshorelineappoceandungenessnaturalistandroidscavenger hunt

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 & EnvironmentBiologyAnimalsmonitoringappnew yorkmonitorcrab.horseshoe crabcitizen-based monitoringiphone

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