crab.

within 25 miles

Mar 2, 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 & WeatherBiologybeachdunesoysterphenologysurveygeologymusselamerican eelcrabeelecologynew hampshiremigrationphenologicalwater monitoringwatersandnew englandstewardshipbeachesrestorationcoastcoastalmonitoringspawningdunehorseshoe crab

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 crabtrainingbeachfloridasurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsalinemid atlanticpinedying treeschanging landscapesomerset countystorymapdelawaregeorgiacoastalsalt waterthe george washington universitydead treesmarylandwetlandslow elevationstumpestuarycedarland conversionshorelineeast coastecologysaltsweet gumsurvey123keryn gedanmullica river estuaryrising seascoastal educationnew yorksoilhurricanetidal inundationnorth carolinageologygeographygroundwatertideswampsawgrassphragmiteswoodforestglobal warmingeastern shoreprime hook national wildlife refugemarineblackwater national refugevirginia coast reservecoastal marine ecologywildfiressalt tolerantsouth carolinamaritime forestsalt water intrusiongedan labmarsh migrationcordgrassdroughtvirginiasaltwaterdelmarva peninsulableached treeschanging shorelinesaltwater marshcoastal ecologystormblue crabblack needle rushspartina patensseawaterfloodsea level riseriverbanktree deathtributariesclimate changechesapeake baynew jerseyregenerationdelaware baydisturbancesapsaltwater marshessalt stresstree stumpmarshfloridaghost forestdying forestsalt tolerant plantsfloodingkilling treesghosts of the coastcattus island

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkhorseshoe crabpicture

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 & WeatherEducationsand crabsandy beachrockyrocky shoresteachersin oceanstidepoolalgaesandystudentsintertidalsand crabsoceaninvertebratesintertidal monitoringrocky intertidalmarine

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 & EnvironmentBiologyEducationmarineintertidalseaweednew zealandchitonquadratcitizen sciencecrab.rocky shoreoceanlimpet

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 work wildlife monitoring marinemarine marine biologywildlife monitoringmarine biology horseshoe crabhorseshoe 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 ScienceNature & OutdoorsEcology & EnvironmentAnimalsinvasive speciesappscavenger huntcrabandroidmonitoringnaturalistwashingtonapplemycoastpicturemarineoutdooroceandungenessbeachbeach walkshoreline

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 & EnvironmentBiologyAnimalscrab.appcitizen-based monitoringmonitoringnew yorkiphonemonitorhorseshoe crab

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