crab.

within 25 miles

Jul 2, 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 & WeatherBiologycrabphenologywater monitoringsurveyspawningwatermonitoringoysteramerican eelnew hampshireeelbeachbeachesphenologicalhorseshoe crabstewardshipnew englandcoastmusselmigrationcoastalgeologydunesandecologyrestorationdunes

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 crabtrainingfloridabeachsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentcedarsaltsalt watergedan labswampfloridablackwater national refugetidal inundationglobal warmingdead treesmullica river estuarychanging landscapenew jerseystorymapdying treeseast coastsalt tolerantsalt tolerant plantsriverbankbleached treesmarinesaltwatermaritime foresttree deathwoodcoastal educationecologysweet gumlow elevationblue crabclimate changefloodingpinenorth carolinaphragmitesspartina patenscattus islandland conversiontidetree stumpvirginia coast reserverising seascoastal marine ecologydroughtcoastalmarylandchanging shorelinewetlandsseawatersaltwater marshsoilregenerationhurricaneghosts of the coastfloodnew yorkwildfiresmarsh migrationvirginiasurvey123groundwatercoastal ecologysalinestormchesapeake baykeryn gedanestuarydying forestsea level risesalt water intrusioneastern shorethe george washington universitysaltwater marshesgeologyprime hook national wildlife refugedelawareshorelinestumpdisturbancegeographysawgrasscordgrassgeorgiamarshdelmarva peninsulasalt stressdelaware baykilling treesmid atlanticblack needle rushsaptributariesforestsomerset countyghost forestsouth carolina

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabbeach walkpicture

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 & WeatherEducationteacherssand crabstidepooloceanrocky intertidalin oceansrockysand crabintertidal monitoringstudentsinvertebratessandyalgaemarinerocky shoressandy beachintertidal

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 & EnvironmentBiologyEducationchitonlimpetcrab.new zealandintertidalseaweedoceanquadratmarinecitizen 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 Sciencehorseshoe crab marine biology marinemarinefield work horseshoe crabmarine biologywildlife monitoring wildlife monitoring

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 & EnvironmentAnimalscrabwashingtonbeach walkscavenger huntoceanandroidmycoastmarineoutdoorappshorelinemonitoringnaturalistdungenessapplepicturebeachinvasive species

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 & EnvironmentBiologyAnimalsnew yorkhorseshoe crabiphonemonitoringappcitizen-based monitoringmonitorcrab.

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