crab.

within 25 miles

Mar 6, 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 & WeatherBiologymusselphenologybeachsurveystewardshipmonitoringrestorationcrabcoastphenologicalwater monitoringduneeelamerican eelecologynew hampshiredunesoystercoastalnew englandgeologybeacheshorseshoe crabspawningmigrationsandwater

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 & EnvironmentBiologyAnimalstrainingsurveyfloridabeachhorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentprime hook national wildlife refugesalt tolerant plantsspartina patenssalt tolerantgeorgiablue crabtributarieseast coastsoilsalt stressdying forestgedan labpinedelawaresaltshorelinechanging landscapeeastern shorekeryn gedanlow elevationgroundwaterdisturbancerising seasglobal warmingecologyvirginiawetlandssaltwaterstorymapdelmarva peninsulablackwater national refugesomerset countyhurricanewildfirescedardead treesseawaternew jerseyclimate changesalinesea level riseestuarytidal inundationfloodingsurvey123phragmitessweet gumfloridageographycoastal educationland conversionswampmarylandvirginia coast reservesouth carolinaghost forestcattus islandcoastal marine ecologynorth carolinadroughtsawgrassforestdying treessaltwater marshescoastal ecologynew yorktree stumpmarsh migrationbleached treesblack needle rushmarinewoodmarshcordgrasskilling treescoastalchesapeake baytideghosts of the coasttree deathmullica river estuarysalt waterdelaware bayriverbankthe george washington universitysaltwater marshfloodsalt water intrusionstormsapmid atlanticgeologychanging shorelinemaritime forestregenerationstump

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 & WeatherEducationintertidal monitoringrocky shoresteachersinvertebratesrockyin oceanstidepoolsand crabsrocky intertidalsandy beachoceanintertidalsand crabstudentsalgaemarinesandy

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 & EnvironmentBiologyEducationnew zealandquadratseaweedoceanintertidalrocky shoremarinechitoncitizen sciencelimpetcrab.

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 Sciencefield workhorseshoe crab marinewildlife monitoring horseshoe crab wildlife monitoringmarine biology marine biologymarine

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 & EnvironmentAnimalsinvasive speciespictureoceanapplebeach walkandroidmarineappscavenger huntwashingtonnaturalistmycoastmonitoringoutdoorbeachdungenessshorelinecrab

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 & EnvironmentBiologyAnimalsnew yorkapphorseshoe crabmonitoringmonitorcrab.citizen-based monitoringiphone

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