crab

within 25 miles

Sep 13, 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 & WeatherBiologystewardshipmusselduneduneseeloysternew englandmonitoringhorseshoe crabnew hampshirecrabsandwateramerican eelecologybeachesrestorationcoastmigrationcoastalphenologywater monitoringsurveygeologyphenologicalspawningbeach

PEBL CIC (Plant Ecology Beyond Land)

FishSpotter

Identify UK marine species on seaweed and shellfish farm seabeds

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsfishspecies identificationmarineunited kingdom

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 & EnvironmentBiologyAnimalssurveyhorseshoe crabfloridatrainingbeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentglobal warmingkeryn gedanbleached treesdroughtforestsalinefloodingchanging shorelinenorth carolinarising seasshorelineswampblack needle rushdelawareestuaryvirginia coast reservegeologycoastal educationmid atlanticsalttree stumpnew yorkvirginiasawgrasssurvey123disturbancemarshsouth carolinaeastern shoreghost foreststormgeorgiagedan labflooddead treesseawaterchesapeake baycoastal ecologydying treessalt stressecologycoastal marine ecologywildfiressalt tolerantfloridaphragmitestidemarsh migrationtributariesclimate changetree deathstorymapsaltwater marshesmaritime forestdying forestdelmarva peninsulaspartina patenstidal inundationmarinegeographysea level riseland conversioncedarwetlandshurricanesapcattus islandpinegroundwatermarylandeast coastsoilsaltwaternew jerseywoodriverbankprime hook national wildlife refugedelaware baysomerset countythe george washington universitysalt tolerant plantschanging landscapekilling treessalt waterblue crablow elevationsaltwater marshregenerationstumpsalt water intrusioncordgrassmullica river estuarycoastalsweet gumghosts of the coastblackwater national refuge

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 & WeatherEducationsandyin oceansmarinerocky intertidalrocky shoresteachersinvertebratesintertidalrockytidepoolsandy beachoceanintertidal monitoringsand crabsand crabsstudentsalgae

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 & EnvironmentBiologyEducationcitizen scienceoceannew zealandrocky shorequadratchitoncrab.intertidallimpetseaweedmarine

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 monitoringfield workmarinehorseshoe 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 & EnvironmentAnimalsmycoastoutdoorwashingtonmarineoceanbeach walkappdungenessbeachmonitoringscavenger huntcrabpictureinvasive speciesappleandroidnaturalistshoreline

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