crab.

within 25 miles

May 4, 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 & WeatherBiologymusseloystereelwaternew englandamerican eelsandbeachesgeologystewardshipwater monitoringmonitoringphenologicalnew hampshirecoastalphenologyspawningdunesdunecrabrestorationcoastecologyhorseshoe crabsurveymigrationbeach

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 & EnvironmentBiologyAnimalstraininghorseshoe crabbeachfloridasurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmenttidegeorgiasapdying treesnorth carolinadelawarevirginiafloodblackwater national refugeclimate changetree stumpmullica river estuaryfloridagroundwatercoastal ecologycoastalcedarblack needle rushregenerationgeographysalt tolerant plantsmarineswampcattus islanddroughttree deathcoastal educationstorymapnew yorkchesapeake baystormfloodingrising seasdelaware baydelmarva peninsulagedan labeastern shoreghost forestcordgrasskilling treessawgrassdisturbancegeologybleached treesthe george washington universitychanging shorelineshorelinesalt tolerantphragmitessoilwoodmarsh migrationmaritime forestchanging landscapemarshhurricanecoastal marine ecologyeast coastsouth carolinakeryn gedanmarylandsalt stressglobal warmingforestnew jerseysurvey123salt waterecologyvirginia coast reserveestuarysomerset countydead treesriverbankprime hook national wildlife refugesea level risewildfireslow elevationsaltsalineseawaterghosts of the coaststumpsalt water intrusionsaltwater marshespineland conversiontidal inundationtributariesdying forestspartina patensmid atlanticsweet gumwetlandsblue crabsaltwatersaltwater marsh

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 & WeatherEducationstudentsintertidalintertidal monitoringin oceansinvertebratestidepooloceansand crabrocky intertidalrockyrocky shoressandy beachsand crabsteachersalgaesandymarine

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 & EnvironmentBiologyEducationquadratlimpetcitizen sciencenew zealandintertidalchitonrocky shoreoceancrab.seaweedmarine

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 workwildlife monitoring wildlife monitoring horseshoe crabhorseshoe crab marine biologymarine 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 & EnvironmentAnimalsandroidoceaninvasive specieswashingtonappleoutdoorshorelinebeachmycoastbeach walkapppicturescavenger huntmonitoringmarinedungenesscrabnaturalist

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 & EnvironmentBiologyAnimalsiphoneappmonitoringnew yorkhorseshoe crabmonitorcrab.citizen-based monitoring

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