crab.

within 25 miles

Mar 26, 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 & WeatherBiologycoastalgeologysurveydunesoysterphenologywaternew englandcrabrestorationcoastmonitoringecologyhorseshoe crabmusseleelstewardshipsandbeachesnew hampshiremigrationwater monitoringbeachphenologicaldunespawningamerican eel

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 & EnvironmentBiologyAnimalsfloridahorseshoe crabtrainingsurveybeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentgedan labriverbanksaltwater marshsaltwaterdying forestshorelinemarylandgroundwatermid atlanticseawaterchanging landscapecedardead treesclimate changesea level risedying treescordgrasstree deathmarinechanging shorelinekilling treesstorymapthe george washington universityregenerationmarsh migrationvirginiaglobal warmingdelaware baynorth carolinacoastal ecologyblue crabsaltsalinenew jerseyblackwater national refugemullica river estuaryghost forestsalt tolerantfloodingdisturbancewildfiresflooddelmarva peninsulasoilhurricanesurvey123somerset countysouth carolinavirginia coast reservesaltwater marshesswampland conversionsalt water intrusionkeryn gedancattus islandcoastalstormdelawaretree stumppineestuaryeastern shorebleached treeswetlandstidemaritime forestrising seasforesttidal inundationnew yorkwoodsawgrasscoastal marine ecologysalt watergeorgiaecologycoastal educationchesapeake baystumpprime hook national wildlife refugegeologytributariesfloridasalt tolerant plantsspartina patensmarshghosts of the coastdroughtblack needle rushlow elevationeast coastsweet gumsapphragmitessalt stressgeography

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkpicturehorseshoe 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 crabstudentsoceanintertidalalgaeintertidal monitoringrockysandyteachersin oceanstidepoolmarinerocky shoresrocky intertidalsand crabsinvertebratessandy beach

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 & EnvironmentBiologyEducationcrab.chitonseaweedlimpetcitizen sciencequadratnew zealandrocky shoreintertidaloceanmarine

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 Sciencehorseshoe crabmarinefield work wildlife monitoringmarine biology marinewildlife monitoring horseshoe crab marine biology

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 & EnvironmentAnimalsmarinewashingtonpictureoceanmycoastnaturalistandroidinvasive speciesdungenessmonitoringappscavenger huntshorelinecraboutdoorbeachbeach walkapple

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 & EnvironmentBiologyAnimalsnew yorkiphonemonitoringmonitorhorseshoe crabcitizen-based monitoringcrab.app

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