crab.

within 25 miles

May 9, 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 & WeatherBiologystewardshipphenologicalbeachesmusselcrabwater monitoringphenologyrestorationdunesspawningsandcoastdunenew hampshirebeachmigrationmonitoringoystersurveyeelnew englandamerican eelhorseshoe crabcoastalgeologywaterecology

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 & EnvironmentBiologyAnimalsbeachtrainingsurveyfloridahorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentdelaware bayspartina patensmid atlanticsaltwildfirestributariesnew jerseyglobal warmingsalt watersomerset countydying forestriverbankeastern shorefloodinglow elevationprime hook national wildlife refugeforesteast coastcoastal ecologydelmarva peninsulapinesawgrasschanging landscapesalinestumpsoilgeographyblue crabcoastalcoastal marine ecologyrising seasmullica river estuaryghosts of the coastdroughtthe george washington universityblack needle rushgroundwaterseawatersalt tolerant plantsgeorgiaestuarytidesaltwatergedan labtree stumpmarylandtidal inundationsapdelawarecattus islandvirginia coast reservetree deathcoastal educationfloridashorelinestormwetlandsnew yorkblackwater national refugekeryn gedanchesapeake bayvirginiasaltwater marshdisturbancenorth carolinableached treesregenerationsalt tolerantkilling treesswampmarinegeologysurvey123sea level risechanging shorelinesouth carolinasalt water intrusionphragmitesclimate changedead treesecologycordgrassfloodstorymapmarshsalt stresssweet gumdying treessaltwater marshesghost forestwoodhurricanecedarland conversionmaritime forestmarsh migration

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkhorseshoe crabpicture

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 & WeatherEducationmarineteachersrocky intertidalinvertebratessand crabsrocky shorestidepoolintertidalsandy beachin oceansintertidal monitoringsand crabrockystudentssandyalgaeocean

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 & EnvironmentBiologyEducationchitonseaweedquadratlimpetcrab.marinenew zealandoceanrocky shoreintertidalcitizen 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 Sciencefield work horseshoe crab wildlife monitoring marine biologywildlife monitoring marinehorseshoe crabmarine biologymarine

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 & EnvironmentAnimalspicturemycoastwashingtoninvasive speciesandroidappnaturalistoceanapplescavenger huntdungenessmonitoringmarinebeach walkshorelineoutdoorcrabbeach

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 & EnvironmentBiologyAnimalsiphonecrab.apphorseshoe crabcitizen-based monitoringnew yorkmonitormonitoring

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