crab.

within 25 miles

Apr 17, 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 & WeatherBiologyoysterdunemusselcrabrestorationnew englandcoastphenologynew hampshirespawningeelsandmigrationbeachstewardshipamerican eelcoastalgeologywater monitoringwatersurveymonitoringecologydunesphenologicalhorseshoe crabbeaches

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 & EnvironmentBiologyAnimalssurveybeachtraininghorseshoe crabflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentriverbankeastern shoredroughtcedarcoastal educationfloodsaltwatersalt waterspartina patenssaltswampstormfloodingsouth carolinachanging landscapeland conversiondying forestnew jerseyestuarysaltwater marshesghost forestbleached treesdisturbancesalinesalt tolerantsapmarinenorth carolinawoodcoastalchesapeake baygeologysomerset countychanging shorelinesalt tolerant plantsghosts of the coasthurricanekilling treesregenerationcoastal ecologysalt stresswetlandsforestgeorgiablue crabvirginiaglobal warmingcoastal marine ecologysurvey123mullica river estuarycordgrasssoilsweet gumdead treestributariesfloridageographyvirginia coast reservedelawaremid atlanticsawgrassgroundwatermarsh migrationtidal inundationgedan labrising seaslow elevationblackwater national refugenew yorkcattus islandwildfirestidetree deathdelaware baymaritime forestecologydelmarva peninsulaseawaterdying treesphragmitesmarylandblack needle rushpinestorymapsaltwater marshmarshtree stumpkeryn gedanclimate changesea level riseshorelineprime hook national wildlife refugethe george washington universitystumpeast coastsalt water intrusion

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 & WeatherEducationintertidalstudentsrocky intertidalsandy beachoceanrocky shoresmarinein oceansalgaeinvertebratesteacherssandyintertidal monitoringsand crabsrockytidepoolsand crab

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 shorecrab.new zealandlimpetmarinequadratchitoncitizen scienceseaweedoceanintertidal

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 crabmarine biologywildlife monitoring wildlife monitoring marinehorseshoe crabmarinefield work marine 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 & EnvironmentAnimalsdungenessnaturalistscavenger huntbeach walkinvasive specieswashingtonshorelinemonitoringandroidoutdoormycoastbeachmarineapplecraboceanapppicture

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 & EnvironmentBiologyAnimalsmonitoringiphonenew yorkappcitizen-based monitoringcrab.horseshoe crabmonitor

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