crab.

within 25 miles

Mar 1, 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 & WeatherBiologywaterbeachphenologicalhorseshoe crabnew hampshirewater monitoringcoastgeologyamerican eelsurveyecologystewardshipmusselnew englandbeachessanddunescrabrestorationphenologyeelspawningmonitoringmigrationcoastaloysterdune

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 & EnvironmentBiologyAnimalsbeachsurveyhorseshoe crabtrainingflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsalt waterwildfiresphragmitesblack needle rushsea level risechesapeake baydelmarva peninsulaforestgroundwatersaltwater marshdying treesswamptidal inundationecologylow elevationbleached treeskilling treescoastal educationmarsh migrationdroughtcoastal marine ecologydelawaredisturbancesoilsalinesweet gummid atlanticeast coastclimate changenew yorktributariesghosts of the coastcoastal ecologynew jerseypineland conversionthe george washington universityregenerationmullica river estuarytree stumpvirginia coast reserveblue crabghost forestprime hook national wildlife refugecordgrasscedarstumpsaltfloodestuarysalt water intrusionchanging shorelinesurvey123saltwater marshesmaritime forestblackwater national refugesaltwaterfloridadying forestcattus islandeastern shoreriverbankrising seasvirginiawoodshorelineglobal warmingseawatergeologysalt stresskeryn gedansawgrasscoastalmarylandspartina patensstormsalt tolerant plantschanging landscapedead treessomerset countynorth carolinagedan labtidesouth carolinahurricanetree deathwetlandssalt tolerantstorymapfloodingmarshsapmarinegeographydelaware baygeorgia

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 & WeatherEducationsandy beachintertidal monitoringintertidaltidepoolin oceansmarinesand crabsinvertebratesstudentsrocky shoresteachersrockyrocky intertidalsandyalgaesand crabocean

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 & EnvironmentBiologyEducationseaweedquadratchitonmarinelimpetcrab.intertidaloceancitizen sciencenew zealandrocky 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 Sciencewildlife monitoringhorseshoe crab marine biology marine horseshoe crabfield workmarine biologymarine 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 & EnvironmentAnimalsinvasive speciesshorelineappmycoastmonitoringapplemarineandroidbeach walkdungenessnaturalistoutdooroceanwashingtonpicturescavenger huntcrabbeach

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 & EnvironmentBiologyAnimalsapphorseshoe crabmonitoriphonenew yorkcitizen-based monitoringmonitoringcrab.

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