crab.

within 25 miles

Jan 31, 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 & WeatherBiologywater monitoringcoastalmonitoringgeologyphenologicalstewardshipspawninghorseshoe crabmigrationbeachphenologydunesmusseleelnew englandwaterbeachesrestorationduneoystersurveycrabecologycoastamerican eelsandnew hampshire

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 & EnvironmentBiologyAnimalstrainingfloridabeachhorseshoe crabsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentcattus islandsaltblack needle rushgroundwatertidesea level risemarylandthe george washington universityeast coastcoastal ecologychesapeake baysalt waterdisturbancefloodwildfirescoastalhurricanemarineblackwater national refugetidal inundationblue crabcordgrassnew yorkmid atlanticregenerationfloodingmarshsawgrasscoastal educationstorymapsalt stresscedarbleached treesshorelinecoastal marine ecologysalt water intrusiondead treestree deathvirginiasoilforeststormsalt tolerantkeryn gedanglobal warmingmullica river estuaryestuaryrising seassurvey123dying treesnorth carolinastumpspartina patenstributariesfloridapineclimate changedying forestswampdelawarewoodchanging landscapeecologylow elevationgedan labprime hook national wildlife refugenew jerseygeorgiadelmarva peninsulachanging shorelineriverbankdroughtsaltwatermarsh migrationland conversionsweet gumghosts of the coastdelaware baygeographytree stumpkilling treesphragmitessomerset countysaltwater marshessouth carolinasalt tolerant plantsmaritime foresteastern shoreghost forestsaltwater marshvirginia coast reservesapgeologywetlandsseawatersaline

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 & WeatherEducationrockyoceansandyintertidal monitoringtidepoolteacherssand crabrocky shoresalgaeintertidalrocky intertidalin oceansinvertebratesstudentsmarinesand crabssandy 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 & EnvironmentBiologyEducationmarinequadratintertidalseaweedoceancrab.citizen sciencenew zealandrocky shorelimpetchiton

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 marine biology wildlife monitoringmarine biologyfield work marinewildlife monitoringhorseshoe crab horseshoe crabmarine

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 & EnvironmentAnimalsoceanappdungenessnaturalistcrabpictureapplescavenger huntbeachmycoastbeach walkandroidoutdoorwashingtoninvasive speciesshorelinemarinemonitoring

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 & EnvironmentBiologyAnimalshorseshoe crabcrab.monitoringcitizen-based monitoringnew yorkmonitorappiphone

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