crab.

within 25 miles

Mar 10, 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 & WeatherBiologyspawningstewardshipamerican eelcoasteelmonitoringecologymusselnew hampshirewater monitoringsurveycoastalgeologyoysterhorseshoe crabwaterrestorationmigrationbeachsandnew englandbeachescrabphenologicaldunesdunephenology

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 & EnvironmentBiologyAnimalsbeachhorseshoe crabsurveytrainingflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmenttidetree stumpbleached treesforestsalt waterchanging shorelinesweet gumeast coastgedan labsalt tolerant plantseastern shoreghost forestvirginia coast reservesomerset countymarinestormrising seasdelmarva peninsulacedarnew yorkkeryn gedanmid atlanticestuaryriverbankprime hook national wildlife refugecoastal marine ecologyshorelinemarsh migrationblack needle rushgroundwatersaltblue crabcoastal educationmarylandclimate changecoastal ecologyghosts of the coastblackwater national refugenorth carolinasapsaltwater marshesdying forestsalt stressswampkilling treeschesapeake baystumpchanging landscapethe george washington universityspartina patenssawgrassdead treestree deathfloodingnew jerseywooddelawareecologyland conversionseawatercordgrasstributariescattus islandsaltwater marshsurvey123disturbancemullica river estuaryfloridasalinephragmitesglobal warmingpinestorymapcoastalgeorgiamarshsalt water intrusionsaltwatertidal inundationregenerationdelaware baydying treessalt tolerantgeographyvirginiasouth carolinadroughtwildfireslow elevationsea level risehurricanewetlandsgeologymaritime forestsoilflood

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 & WeatherEducationalgaestudentsrocky intertidalteachersinvertebratessandy beachoceanmarinein oceanssand crabsandysand crabstidepoolintertidalrocky shoresrockyintertidal monitoring

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 & EnvironmentBiologyEducationintertidalquadratlimpetoceancrab.seaweedcitizen sciencenew zealandrocky shoremarinechiton

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 horseshoe crab wildlife monitoring marinehorseshoe crabmarine biology marine biologymarinefield workwildlife 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 & EnvironmentAnimalsoutdoornaturalistwashingtonbeach walkmarinedungenessappscavenger huntmycoastcrabshorelinemonitoringpictureoceanbeachappleinvasive speciesandroid

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 & EnvironmentBiologyAnimalsmonitorcitizen-based monitoringcrab.monitoringiphoneappnew yorkhorseshoe crab

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