crab.

within 25 miles

Mar 9, 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 & WeatherBiologydunemonitoringoystermusselsurveyeelcoastwaterphenologicalhorseshoe crabspawningnew hampshireamerican eelbeachsandnew englandmigrationcrabecologyphenologybeacheswater monitoringstewardshipcoastaldunesrestorationgeology

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 & EnvironmentBiologyAnimalstrainingbeachhorseshoe crabsurveyflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentgroundwaterrising seasblue crabwildfirestree stumpkeryn gedanbleached treesvirginiacoastaltree deathforestwetlandsspartina patenssalt tolerantregenerationstormblackwater national refugefloodsaltwaterdisturbancegeographyvirginia coast reservechanging shorelinesawgrassblack needle rushsalt tolerant plantsswampmarylandwoodcedarnew yorkcoastal ecologyshorelinesalt stresscoastal educationsalt water intrusionsalt watersouth carolinatidemaritime forestseawatertributarieschanging landscapedroughtdelmarva peninsulahurricanesweet gumsea level risetidal inundationsaltwater marshesprime hook national wildlife refugeeastern shoreghosts of the coastsomerset countymarinelow elevationgeorgiasaltthe george washington universitymullica river estuarychesapeake baymid atlanticnew jerseystorymapestuarysurvey123climate changeghost forestcoastal marine ecologycordgrassfloridaglobal warmingdead treessaltwater marshdelawareriverbankfloodingpinecattus islandgeologysoileast coastsalinephragmitesland conversionecologydying treesdelaware baymarshnorth carolinastumpsapgedan labdying forestkilling treesmarsh migration

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 & WeatherEducationsand crabrocky intertidalstudentsintertidalsandy beachalgaeintertidal monitoringin oceansrockymarinesand crabssandytidepooloceanrocky shoresinvertebratesteachers

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 scienceseaweednew zealandcrab.limpetintertidalquadratrocky shorechitonoceanmarine

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 crabwildlife monitoring marine marine biologyfield workmarine biology horseshoe 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 & EnvironmentAnimalsmarineoutdoorbeach walkcraboceanapppicturenaturalistscavenger huntapplewashingtonshorelineinvasive speciesdungenessbeachmycoastmonitoringandroid

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 & EnvironmentBiologyAnimalsmonitorhorseshoe crabiphonenew yorkappmonitoringcitizen-based monitoringcrab.

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