crabs

within 25 miles

Apr 11, 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 & WeatherBiologymusselwatergeologybeachdunedunesmonitoringeelphenologicalnew hampshirehorseshoe crabmigrationspawningoysterstewardshipwater monitoringbeachesrestorationcoastsandsurveyamerican eelcrabecologyphenologycoastalnew england

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 & EnvironmentBiologyAnimalstrainingsurveybeachfloridahorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentmarineforestestuarygedan labsalt tolerant plantsshorelinegeorgiahurricanemarsh migrationswampghost forestcoastal ecologysalinerising seaskilling treestree stumpregenerationecologymid atlanticthe george washington universitysaltdelaware baychanging shorelinefloodingdying treesmarshnorth carolinaeastern shorecoastal marine ecologymaritime forestblackwater national refugesaltwater marshesprime hook national wildlife refugespartina patensgeologyblue crabphragmiteseast coastvirginiableached treessea level risesalt watersouth carolinagroundwatervirginia coast reservelow elevationtidesaltwaterclimate changesalt tolerantsurvey123geographysoilghosts of the coasttree deathsweet gumchanging landscapestumpcattus islandsawgrassmullica river estuarywoodpinedelawareglobal warmingblack needle rushsalt water intrusionstormtidal inundationwildfiresdroughtcordgrasstributariesnew yorkstorymapnew jerseydisturbancedying forestkeryn gedanwetlandssapcoastal educationdelmarva peninsulariverbankfloodland conversionchesapeake bayseawatercedarcoastaldead treesmarylandsaltwater marshsomerset countyfloridasalt stress

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturehorseshoe crabbeach walk

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 & WeatherEducationin oceansinvertebratesalgaestudentsrocky intertidalsand crabrockysandy beachmarinesandysand crabsoceanintertidal monitoringrocky shoresteacherstidepoolintertidal

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 & EnvironmentBiologyEducationmarineseaweedcitizen sciencenew zealandcrab.rocky shoreoceanquadratintertidalchitonlimpet

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 Sciencemarinefield workwildlife monitoring marinemarine biology wildlife monitoring horseshoe crabhorseshoe 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 & EnvironmentAnimalsoutdoorpictureappscavenger huntshorelineandroidoceanbeach walkwashingtonmycoastapplemarinebeachmonitoringdungenessinvasive speciescrabnaturalist

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 & EnvironmentBiologyAnimalsappmonitoringnew yorkhorseshoe crabiphonemonitorcrab.citizen-based monitoring

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