crab.

within 25 miles

Mar 18, 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 & WeatherBiologysurveymusselmonitoringamerican eelnew hampshiredunemigrationwater monitoringgeologycoastalduneseelsandbeacheshorseshoe crabbeachwateroysterspawningphenologicalstewardshipecologycrabcoastphenologynew englandrestoration

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 & EnvironmentBiologyAnimalshorseshoe crabsurveytrainingbeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentblackwater national refugemullica river estuarygeographyestuarymid atlantickilling treestree stumpdelmarva peninsuladead treescedarkeryn gedandying treessalt tolerant plantsland conversionwildfiresbleached treesmarsh migrationdroughtregenerationsalt stresschanging landscapesaltwatercoastal marine ecologytidal inundationstumpnorth carolinasomerset countymarineghost forestsawgrassgeorgiaforestsalt watercoastal ecologygroundwaternew yorkfloodsapphragmiteseastern shoretree deaththe george washington universitypinelow elevationchesapeake baygeologyfloridaglobal warmingcoastal educationghosts of the coastmarshsouth carolinasurvey123marylandsweet gumswampblack needle rushvirginia coast reserveprime hook national wildlife refugerising seassalinesea level risesalt tolerantnew jerseysaltwater marshesdelaware baydying forestgedan labsoilcoastalhurricanedelawaretributariesfloodingtideclimate changechanging shorelineeast coastdisturbanceriverbankstorymapcattus islandcordgrasswoodmaritime forestvirginiablue crabsalt water intrusionshorelinesaltwetlandsseawaterecologysaltwater marshspartina patensstorm

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 & 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 & WeatherEducationsandyrocky shoresteacherssand crabsstudentssand crabintertidal monitoringintertidalmarinetidepoolinvertebratessandy beachalgaerockyoceanin oceansrocky intertidal

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 & EnvironmentBiologyEducationoceanchitoncrab.quadratseaweedrocky shorecitizen sciencemarinenew zealandintertidallimpet

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 Science marinehorseshoe crabmarinemarine biology horseshoe crab marine biologyfield workwildlife monitoring wildlife 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 & EnvironmentAnimalsappdungenessinvasive speciesoutdoorshorelinepicturemycoastapplebeachmonitoringscavenger huntmarineandroidnaturalistwashingtonbeach walkoceancrab

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 & EnvironmentBiologyAnimalshorseshoe crabmonitoriphonenew yorkcitizen-based monitoringcrab.monitoringapp

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