crab.

within 25 miles

Oct 23, 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 & WeatherBiologywater monitoringoystereelbeachesphenologycoastaldunesandgeologyspawningamerican eelhorseshoe crabsurveywaterphenologicalnew englandcrabrestorationcoastmusseldunesstewardshipecologymigrationbeachmonitoringnew hampshire

PEBL CIC (Plant Ecology Beyond Land)

FishSpotter

Identify UK marine species on seaweed and shellfish farm seabeds

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsspecies identificationmarineunited kingdomfish

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 crabtrainingfloridasurveybeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentshorelinefloodinggroundwaterblack needle rushwoodtree deathsouth carolinasalt tolerant plantschanging shorelinephragmitesnew yorkblue crabclimate changewetlandssurvey123east coastregenerationvirginia coast reserveecologycoastal educationcoastalstormsalineseawatersalt stressfloridadying forestdelmarva peninsulathe george washington universitymarinegeographychanging landscaperiverbankchesapeake baypinemullica river estuarydelaware baynorth carolinaland conversionestuarymarshnew jerseyforestsalt waterstorymapdisturbancecoastal ecologymid atlanticsea level risesoilmaritime forestsawgrasssalt water intrusionmarsh migrationrising seasghosts of the coastsaltwater marshblackwater national refugegeorgiasomerset countygeologyprime hook national wildlife refugewildfirestree stumptidal inundationdelawaredroughtsapvirginiaspartina patenslow elevationsaltwaterbleached treesghost forestkilling treesdead treescattus islandcordgrassfloodsweet gumsaltwater marshestideglobal warmingtributariesswampstumpcedarsaltsalt toleranteastern shorekeryn gedangedan labcoastal marine ecologymarylanddying treeshurricane

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturebeach walkhorseshoe crab

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 & Environmentdelaware bayhorseshoe crabs

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 & WeatherEducationintertidalrocky shoresrockyrocky intertidalsandysandy beachteachersstudentssand crabintertidal monitoringinvertebratesin oceansmarinetidepooloceanalgaesand crabs

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 zealandchitonquadratrocky shoreseaweedmarineoceanlimpetintertidalcrab.citizen science

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 Sciencemarine biologywildlife monitoringmarinefield workhorseshoe 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 & EnvironmentAnimalsnaturalistdungenesscrabandroidscavenger huntoceaninvasive speciesmonitoringwashingtonbeachapppicturemycoastappleshorelineoutdoorbeach walkmarine

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