crab.

within 25 miles

Mar 26, 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 & WeatherBiologycoastaleelwatermigrationmonitoringdunesurveyoysterphenologymusselspawningstewardshipsandnew englanddunesamerican eelbeachescrabphenologicalbeachcoastecologyhorseshoe crabwater monitoringgeologyrestorationnew 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 & EnvironmentBiologyAnimalstrainingfloridasurveyhorseshoe crabbeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentdroughtdying treeshurricaneswampriverbankchanging shorelinemid atlanticnew jerseygeographygroundwatereast coastsaltwaterbleached treesgeorgiarising seasnorth carolinasaltwater marshessalt tolerantcoastal ecologyblackwater national refugestumpmaritime forestmullica river estuarysapflooddelmarva peninsulamarshsea level risevirginiatidepinethe george washington universitycedarlow elevationcoastalprime hook national wildlife refugetidal inundationsurvey123tree stumpsalt water intrusionland conversioncattus islandeastern shorecoastal educationchanging landscapecoastal marine ecologyghost forestphragmitesdead treesdisturbancesalt tolerant plantsblack needle rushvirginia coast reservedelawareregenerationsouth carolinasalt stressdelaware baystorymapdying forestfloridacordgrassgeologyghosts of the coastwoodkilling treessawgrassnew yorksaltmarylandclimate changewildfirestree deathsaltwater marshestuaryforestsomerset countyblue crabsalt watermarinesoilstormgedan labecologytributariesmarsh migrationshorelinechesapeake bayspartina patenssweet gumsalinewetlandskeryn gedanseawaterglobal warmingflooding

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 & WeatherEducationrockyrocky intertidaloceansandymarineteachersrocky shoresintertidalin oceansinvertebratessandy beachtidepoolstudentssand crabsintertidal monitoringsand crabalgae

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 & EnvironmentBiologyEducationlimpetcrab.rocky shorenew zealandchitoncitizen scienceoceanquadratseaweedintertidalmarine

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 wildlife monitoring marine biologyfield workmarine biology marinemarine horseshoe crabwildlife monitoringhorseshoe crab

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 & EnvironmentAnimalspicturemycoastbeach walkcrabmonitoringoceanmarineapplenaturalistbeachshorelinescavenger huntappoutdoorwashingtoninvasive speciesdungenessandroid

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 & EnvironmentBiologyAnimalscitizen-based monitoringiphonenew yorkmonitorapphorseshoe crabmonitoringcrab.

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