crab.

within 25 miles

Jul 5, 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 & WeatherBiologybeachbeacheshorseshoe crabdunesgeologyecologywaterstewardshipcoastmonitoringspawningoysternew hampshirecoastalmigrationeelmusselphenologyrestorationsurveydunesandamerican eelcrabphenologicalwater monitoringnew 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 & EnvironmentBiologyAnimalshorseshoe crabtrainingbeachfloridasurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsomerset countyseawaterestuarynew yorkrising seastidal inundationsweet gumchesapeake baythe george washington universityvirginia coast reserveghost forestnorth carolinadisturbancefloridashorelineeastern shoreblack needle rushdroughtnew jerseysouth carolinasapblackwater national refugeblue crabvirginiawildfiressalinesalt tolerantriverbankmarshtidegroundwatermarylandspartina patenscattus islandforeststorymapmarinecoastal marine ecologycedarlow elevationdelmarva peninsulachanging landscapesalt waterwetlandsdying forestdead treesstumpfloodingmullica river estuarygeologyglobal warmingfloodswampsaltwatermarsh migrationtree stumpprime hook national wildlife refugecoastal educationchanging shorelinepineecologycoastal ecologysoilmaritime forestphragmiteswoodmid atlanticghosts of the coastregenerationdying treessalt stressgedan labkilling treesclimate changesalt tolerant plantsdelawaretributariesgeographysawgrasssalteast coastsaltwater marshhurricanesaltwater marsheskeryn gedansalt water intrusioncordgrassbleached treesland conversioncoastaltree deathstormsea level risesurvey123delaware baygeorgia

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 & 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 & WeatherEducationsandyintertidalrocky intertidalintertidal monitoringalgaesandy beachteachersinvertebratesrocky shorestidepooloceanin oceanssand crabsand crabsmarinerockystudents

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 & EnvironmentBiologyEducationlimpetseaweednew zealandrocky shorechitonmarineoceanintertidalcrab.quadratcitizen science

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 horseshoe crab wildlife monitoringmarine biologymarine marine biology marinewildlife monitoringfield workhorseshoe 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 & EnvironmentAnimalsandroidshorelinepictureappwashingtoncrabnaturalistinvasive speciesoceanoutdoorbeach walkappledungenessscavenger huntbeachmarinemycoastmonitoring

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 & EnvironmentBiologyAnimalsmonitorappiphonemonitoringhorseshoe crabcrab.new yorkcitizen-based monitoring

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