crab.

within 25 miles

May 13, 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 & WeatherBiologyrestorationecologycoastalmonitoringhorseshoe crabwater monitoringphenologybeachsurveyduneeelspawningoystersandwaterphenologicalcrabcoastdunesnew hampshiremusselmigrationgeologystewardshipamerican eelnew englandbeaches

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 & EnvironmentBiologyAnimalstrainingfloridasurveybeachhorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentmullica river estuarychanging landscapedelmarva peninsulakeryn gedanmarylanddelaware bayblackwater national refugephragmitescoastal marine ecologymarsh migrationsaltsaltwater marshsurvey123disturbancevirginia coast reserverising seastree deathsweet gumregenerationnorth carolinasalt stresstree stumpgedan labseawaterwoodstormhurricanedelawareforestsomerset countyriverbankcoastal educationkilling treesmaritime forestfloodgroundwatersea level risethe george washington universitytidechanging shorelineclimate changesalt waterdying treesmid atlanticsalinemarshwetlandssaptidal inundationfloodingsalt tolerantmarinesaltwater marsheswildfiresspartina patensblack needle rushbleached treesgeographysalt tolerant plantsswampsoilland conversiondead treestributariessaltwaterdying forestghosts of the coasteastern shorenew jerseyecologystumpghost forestprime hook national wildlife refugecoastalcoastal ecologyblue crabeast coastestuarygeorgialow elevationfloridapinenew yorkshorelinechesapeake baydroughtcordgrasssalt water intrusionglobal warmingsawgrasscattus islandvirginiastorymapgeologycedarsouth carolina

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 & 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 & WeatherEducationrocky intertidalstudentsintertidalin oceansalgaeintertidal monitoringsandyrocky shoressand crabssandy beachsand crabmarineinvertebratesteachersrockytidepoolocean

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 & EnvironmentBiologyEducationchitonnew zealandmarinelimpetintertidalseaweedcrab.quadratoceancitizen sciencerocky shore

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 marine biologymarinewildlife monitoringmarine biology wildlife monitoringhorseshoe crab horseshoe crab marine

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 & EnvironmentAnimalsoutdoorapplebeach walkappshorelineinvasive speciesandroidmonitoringnaturalistdungenessoceanscavenger huntcrabpicturewashingtonmycoastbeachmarine

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 crabnew yorkcitizen-based monitoringcrab.appmonitoringmonitoriphone

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