crab.

within 25 miles

May 5, 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 & WeatherBiologywatermonitoringhorseshoe crabdunesspawningwater monitoringamerican eelnew hampshiredunemusselbeachstewardshipoysterrestorationcoastaleelgeologynew englandmigrationcoastsurveyphenologicalbeachessandcrabecologyphenology

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 & EnvironmentBiologyAnimalstraininghorseshoe crabfloridasurveybeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentgeographyswampland conversioncoastal educationwoodmid atlantictree stumpnorth carolinasalt water intrusionchanging landscapeprime hook national wildlife refugewildfiressouth carolinasaltwater marshsapsomerset countysalt tolerant plantsdelawarecoastal ecologyvirginia coast reservetree deathdisturbanceblue crabeast coastdying forestclimate changelow elevationbleached treesmarylandtidal inundationstorymapregenerationdying treeseastern shoresoilmarsh migrationgeologyecologytidesalt watersaltwater marshesmullica river estuarywetlandshurricanevirginiadroughtcoastal marine ecologysurvey123sweet gummaritime forestphragmitessaltwaterstormcordgrasssalt stresstributariessaltgedan labmarineforestcedarsalinesawgrassthe george washington universitycattus islandmarshdelmarva peninsulafloodblackwater national refugeshorelinechesapeake baydelaware baychanging shorelineghosts of the coastgroundwaterghost forestkilling treespinekeryn gedanstumpsea level risecoastalnew yorkseawaterglobal warmingdead treessalt tolerantriverbanknew jerseyfloodingblack needle rushspartina patensrising seasgeorgiaestuaryflorida

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 & 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 & WeatherEducationrockyintertidaltidepoolinvertebratessandy beachstudentssand crabrocky intertidalintertidal monitoringsand crabsmarinesandyin oceansoceanteachersrocky shoresalgae

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 & EnvironmentBiologyEducationseaweednew zealandoceancitizen sciencerocky shoreintertidalquadratlimpetcrab.marinechiton

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 wildlife monitoring horseshoe crabmarinewildlife monitoring marine biologyfield work marinehorseshoe crabmarine 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 & EnvironmentAnimalswashingtonmarinemonitoringapplescavenger huntoutdoorbeach walkpicturenaturalistbeachmycoastcrabdungenessshorelineandroidinvasive speciesoceanapp

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 crabnew yorkcitizen-based monitoringmonitoringiphonecrab.app

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