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 & WeatherBiologyspawningwatergeologymusselhorseshoe crabbeachnew englandmonitoringcrabsurveystewardshipphenologicalamerican eelbeachesoysterrestorationdunessandcoastnew hampshirewater monitoringduneeelphenologymigrationcoastalecology

PEBL CIC (Plant Ecology Beyond Land)

FishSpotter

Identify UK marine species on seaweed and shellfish farm seabeds

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsmarineunited kingdomfishspecies identification

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 & EnvironmentBiologyAnimalstrainingfloridasurveybeachhorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentvirginiafloodsalttributariessaltwater marshestuarysalt waterfloodingsurvey123swampdisturbancesaltwater marshesnew yorkmarylandwooddelmarva peninsularising seasdead treesclimate changeghosts of the coastchesapeake baysouth carolinacordgrasssapkeryn gedansalt water intrusionblue crabgedan labblackwater national refugeeast coastdelawareecologylow elevationriverbankmid atlanticnew jerseystumpchanging landscapegeographyseawatereastern shorecedartree stumpsweet gumregenerationmarsh migrationsalt tolerantwildfiresbleached treesgeorgiaglobal warmingblack needle rushpinemaritime forestdroughtgroundwaterdelaware baysaltwaterhurricanegeologykilling treesthe george washington universityland conversionstormsoilcoastal marine ecologycoastal educationsalt stresssalt tolerant plantscoastalsomerset countystorymapnorth carolinadying forestsalinesea level risemarineprime hook national wildlife refugemullica river estuaryfloridashorelinesawgrassforestspartina patenstree deathdying treescattus islandphragmitesvirginia coast reservemarshtidal inundationghost forestcoastal ecologytidechanging shorelinewetlands

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 & WeatherEducationsand crabsrockyin oceansteachersinvertebratessandy beachoceansandystudentsintertidal monitoringintertidalrocky shoresalgaerocky intertidalmarinetidepoolsand crab

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 & EnvironmentBiologyEducationoceanseaweedintertidallimpetrocky shorechitonmarinecitizen sciencecrab.new zealandquadrat

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 Sciencemarinehorseshoe crabwildlife monitoringmarine biologyfield work

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 & EnvironmentAnimalscrabpicturewashingtonappbeachoceannaturalistscavenger huntbeach walkandroidappleshorelinemonitoringinvasive speciesmarineoutdoormycoastdungeness

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