crab.

within 25 miles

Aug 20, 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 & WeatherBiologyamerican eelwater monitoringcrabstewardshipphenologyoysterrestorationcoastmonitoringnew hampshiremigrationecologyhorseshoe crabduneeelsurveynew englandspawninggeologybeachsandbeachescoastalmusselwaterdunesphenological

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 crabbeachsurveyfloridatraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentcoastalmarylandstormstorymapnew yorkwoodwetlandssalt waterdisturbancedying treescattus islandglobal warminggroundwatertree deathsalt toleranthurricanestumpmaritime forestphragmitessweet gumsaltwater marshregenerationsaltwater marshesmarinefloridaprime hook national wildlife refugespartina patenstributariesclimate changedelaware baysalt tolerant plantschanging landscapecoastal educationdelmarva peninsulaghost forestsea level risepinecordgrassforestsoilseawatermid atlanticestuaryecologyswampeast coastgeologycoastal marine ecologysawgrassnorth carolinadroughtrising seaskeryn gedansalinechanging shorelinemullica river estuaryblackwater national refugetidal inundationgeorgialow elevationgedan labsalt water intrusionbleached treesmarsh migrationsaltchesapeake bayfloodsomerset countysouth carolinasaltwaterblack needle rushland conversionsalt stressvirginiadelawareghosts of the coastdead treessapwildfireskilling treescoastal ecologytree stumpvirginia coast reservesurvey123dying forestshorelineeastern shoregeographycedarmarshthe george washington universityblue crabfloodingnew jerseytideriverbank

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 & 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 & WeatherEducationstudentsalgaeintertidal monitoringteacherstidepoolin oceanssand crabmarinesandyinvertebratesrocky intertidaloceanrocky shoressand crabsintertidalrockysandy 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 & EnvironmentBiologyEducationintertidalcitizen sciencenew zealandchitonquadratrocky shorelimpetmarineseaweedcrab.ocean

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 Sciencewildlife monitoringfield workmarinemarine biologyhorseshoe crab

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 & EnvironmentAnimalsmarineandroidcrabwashingtonbeachscavenger huntmycoastmonitoringdungenesspictureappleoceannaturalistappbeach walkshorelineoutdoorinvasive species

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 monitoringcrab.appmonitormonitoringiphonehorseshoe crabnew york

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