crab.

within 25 miles

Jun 14, 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 & WeatherBiologyphenologywaternew englandbeachnew hampshiremigrationwater monitoringduneseelgeologymonitoringmusseldunephenologicalstewardshipsurveysandbeachesamerican eelcraboysterrestorationecologyhorseshoe crabcoastcoastalspawning

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 crabbeachtrainingfloridasurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsalt stressspartina patensdead treestree deathsaltwaterseawatersalt tolerantgeologydelmarva peninsulanew jerseycordgrassdelaware bayestuaryhurricanesalt water intrusionland conversionfloodingdisturbancewoodtidekeryn gedanglobal warminggroundwaterlow elevationsweet gumthe george washington universityblack needle rushfloridawetlandstidal inundationstorymapmullica river estuarycoastal ecologysaltwater marshsalt watergeorgiasalt tolerant plantskilling treesgedan labcoastal educationmarsh migrationsomerset countysapsawgrasssouth carolinaphragmitestributariesmarinebleached treeseast coastvirginiarising seasclimate changesaltwater marshesdelawaregeographyprime hook national wildlife refugeecologyfloodstumpsea level risechanging shorelineeastern shorecoastal marine ecologymarylandstormmarshpineblue crabnorth carolinaswampsurvey123cattus islanddying treesghost forestriverbanktree stumpchanging landscapesoilnew yorkregenerationmid atlanticchesapeake bayghosts of the coastdying forestforestblackwater national refugeshorelinesaltmaritime forestcedarvirginia coast reservedroughtwildfirescoastalsaline

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 & WeatherEducationintertidal monitoringsand crabtidepoolrocky intertidalteacherssand crabsintertidalsandy beachstudentsoceaninvertebratesmarinesandyrockyin oceansrocky shoresalgae

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 & EnvironmentBiologyEducationoceanmarineseaweedquadratintertidalnew zealandcitizen sciencechitonrocky shorelimpetcrab.

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 monitoring marine biologyfield workmarinehorseshoe crabwildlife monitoring marinemarine 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 & EnvironmentAnimalsmycoastmonitoringbeachbeach walkcrabdungenessshorelinemarineoceannaturalistoutdoorwashingtonappleinvasive speciesandroidapppicturescavenger hunt

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 & EnvironmentBiologyAnimalsmonitorhorseshoe crabiphonecitizen-based monitoringnew yorkappcrab.monitoring

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