crab.

within 25 miles

Mar 19, 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 & WeatherBiologyhorseshoe crabphenologyeelspawningecologysurveybeachesrestorationnew hampshirenew englandmusselcrabphenologicalwater monitoringcoastalgeologystewardshipmonitoringmigrationoysterdunesandbeachwaterdunescoastamerican 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 & EnvironmentBiologyAnimalstrainingbeachsurveyfloridahorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentgroundwatertidesalineshorelineforestbleached treesland conversionwoodchanging shorelinesomerset countystumpregenerationsapsaltwater marshesgedan labspartina patenschanging landscapeblue crabthe george washington universitypinesalt tolerantswampchesapeake baymaritime foreststormsalt water intrusionblack needle rushriverbankcedarsaltwater marshdroughtfloridageographyghost forestkeryn gedancoastal marine ecologyfloodsaltmarylandseawatereast coastwetlandsprime hook national wildlife refugemarsh migrationtributariesfloodingdelaware baycoastal ecologywildfiresblackwater national refugedisturbancenorth carolinasalt stresskilling treesgeologyghosts of the coastsaltwaterstorymapestuarysouth carolinahurricanedelawaresea level risedelmarva peninsulavirginia coast reservesawgrasscoastaltree deathsweet gumlow elevationsurvey123dead treesmullica river estuarygeorgiamarshsalt tolerant plantseastern shoremid atlanticcoastal educationdying treescordgrassnew yorkrising seasvirginiaclimate changephragmitesnew jerseyglobal warmingcattus islandsoilmarinetree stumpecologytidal inundationsalt waterdying forest

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabbeach walkpicture

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 & WeatherEducationstudentsinvertebratessandyintertidalsandy beachrocky shoresmarineteacherssand crabin oceanstidepoolalgaeoceanrocky intertidalintertidal monitoringsand crabsrocky

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 & EnvironmentBiologyEducationchitonseaweedquadratoceanrocky shoremarineintertidalcrab.limpetcitizen sciencenew zealand

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 Sciencefield work marine marine biologymarine biologyhorseshoe crab horseshoe crab wildlife monitoringmarinewildlife monitoring

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 & EnvironmentAnimalsinvasive speciesshorelinedungenesswashingtoncrabmonitoringbeachmycoastnaturalistoceanbeach walkandroidappleappscavenger huntoutdoorpicturemarine

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 & EnvironmentBiologyAnimalscitizen-based monitoringhorseshoe crabiphonecrab.appmonitoringnew yorkmonitor

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