crab.

within 25 miles

Aug 29, 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 & WeatherBiologyphenologicalspawningphenologysurveybeachescoastmonitoringeelecologyhorseshoe crabnew hampshirebeachnew englandwater monitoringgeologymigrationsandstewardshiprestorationdunewatermusseldunesamerican eeloystercrabcoastal

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 & EnvironmentBiologyAnimalsfloridasurveytraininghorseshoe crabbeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentvirginia coast reservesaltwater marshsawgrassstumpblack needle rushcoastal marine ecologydead treesdisturbancehurricaneghost forestkilling treesestuarygroundwatercordgrassland conversionbleached treescoastalsomerset countyforestpineghosts of the coastkeryn gedanriverbankblackwater national refugenorth carolinadelmarva peninsulathe george washington universityclimate changesaltwater marshesdelaware baysalt tolerantsurvey123changing shorelinewoodtidewildfirestree stumpeast coastmarylandstorymapfloodingmarinevirginiachesapeake baylow elevationsouth carolinaswamptidal inundationmaritime forestsalt stressstormsalt waterecologyglobal warmingblue crabfloodcoastal educationmullica river estuarygeographynew jerseysaltwatercoastal ecologysalt tolerant plantssweet gumphragmitescedarsaltgeologymid atlanticdelawarecattus islanddroughtsalt water intrusionsalinewetlandsnew yorkdying treesdying forestgedan labsea level riserising seasmarsh migrationregenerationshorelinemarshsoiltree deathseawaterfloridachanging landscapeprime hook national wildlife refugegeorgiaspartina patenstributariessapeastern shore

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 & WeatherEducationintertidaloceanrocky intertidalrockystudentsmarinealgaesandy beachsand crabrocky shoresteacherssand crabstidepoolinvertebratesintertidal monitoringsandyin oceans

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 & EnvironmentBiologyEducationchitonquadratnew zealandintertidaloceanlimpetcitizen sciencemarinerocky shoreseaweedcrab.

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 Sciencewildlife monitoringfield workhorseshoe crabmarine 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 & EnvironmentAnimalsnaturalistcrabbeach walkapplescavenger huntwashingtoninvasive speciesshorelinedungenessmycoastandroidbeachmonitoringmarineoceanapppictureoutdoor

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