crab.

within 25 miles

Dec 24, 2025

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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 & WeatherBiologywaterspawningbeacheelamerican eelcrabrestorationoystercoastbeachesecologyhorseshoe crabdunesphenologicalnew hampshiremigrationcoastalgeologystewardshipsurveymonitoringwater monitoringdunenew englandmusselphenologysand

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 & Environmentphragmitesregenerationsurvey123salt tolerant plantskilling treesmarylandsweet gumfloodingghosts of the coasttidevirginiasaltwater marshstorymapgeorgiaswamptree stumpsoilshorelineseawatersaltfloridachanging landscapeghost forestvirginia coast reserverising seascoastal marine ecologydelaware baychanging shorelinethe george washington universityestuarysaltwater marshesprime hook national wildlife refugesawgrassbleached treesglobal warmingdying treessalt tolerantsea level risesalt stressdelawareblue crabtributariesnorth carolinacoastalecologydead treeslow elevationmaritime forestsalinemid atlanticdelmarva peninsulacoastal ecologynew yorkblackwater national refugehurricaneland conversionsalt watersomerset countycedarblack needle rushcordgrassgroundwatertidal inundationmarineriverbankwoodpinecoastal educationwetlandssouth carolinadroughtdisturbancesaltwaterstumpsapchesapeake bayfloodeastern shorewildfiresforesteast coastkeryn gedancattus islandsalt water intrusionstormclimate changedying forestgeologymullica river estuarygeographytree deathmarshspartina patensgedan labnew jerseymarsh migration

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturehorseshoe crabbeach 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 & WeatherEducationintertidaloceanalgaerockyrocky intertidalrocky shoresin oceanssandy beachsand crabsandysand crabstidepoolinvertebratesstudentsintertidal monitoringteachersmarine

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 & EnvironmentBiologyEducationrocky shoreseaweedoceanmarinequadratcitizen sciencelimpetnew zealandintertidalchitoncrab.

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 Sciencewildlife monitoringmarine horseshoe crabmarine biology wildlife monitoring marinefield work marine biologyhorseshoe 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 ScienceAnimalsEcology & EnvironmentNature & Outdoorsshorelineinvasive speciesmarineapplebeach walkoceanappoutdoordungenessmonitoringcrabmycoastbeachnaturalistwashingtonpictureandroidscavenger 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 & EnvironmentBiologyAnimalsiphonecrab.apphorseshoe crabnew yorkmonitorcitizen-based monitoringmonitoring

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