crab.

within 25 miles

May 21, 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 & WeatherBiologywatersurveysandphenologyoystercrabhorseshoe crabnew hampshireamerican eelmigrationnew englandbeachescoastcoastalgeologyeelspawningwater monitoringdunephenologicalrestorationdunesmonitoringecologymusselbeachstewardship

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 & EnvironmentBiologyAnimalsbeachhorseshoe crabtrainingsurveyflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentstormnorth carolinasalinespartina patenscordgrassghosts of the coastestuarydisturbancegedan labregenerationchesapeake baymid atlanticcoastalsawgrassrising seasfloodingsoilshorelinefloridawildfireswetlandsdroughtwoodfloodsalt tolerant plantstidal inundationeastern shorekilling treescattus islandmarylandsalt stresssea level risedelmarva peninsulatributariesmarshsaltswampmarsh migrationhurricaneforestlow elevationsomerset countybleached treesstorymapsapeast coastgeographysalt water intrusionstumppinephragmitesblack needle rushprime hook national wildlife refugesalt watermaritime forestcoastal ecologyblue crabnew yorkkeryn gedantidevirginia coast reservechanging shorelinetree stumpgeologycedarmullica river estuarysaltwater marshessouth carolinaclimate changemarinesweet gumghost forestnew jerseyglobal warmingchanging landscapedying forestdelawaredead treestree deathsaltwatergroundwaterecologysaltwater marshcoastal marine ecologydelaware bayland conversionvirginiasurvey123seawatersalt tolerantblackwater national refugethe george washington universitydying treesgeorgiacoastal educationriverbank

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 & WeatherEducationmarinerocky intertidalsand crabalgaesand crabsintertidalsandysandy beachstudentsoceanrocky shorestidepoolinvertebratesintertidal monitoringrockyin oceansteachers

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 zealandrocky shorecitizen sciencequadratcrab.seaweedintertidalmarinelimpetocean

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 marine biologyhorseshoe crab wildlife monitoringwildlife monitoring horseshoe crabfield work marinemarinemarine 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 & EnvironmentAnimalsmonitoringpictureoutdoorinvasive speciesbeachshorelinenaturalistmycoastscavenger huntappleandroidappwashingtondungenessmarinebeach walkcrabocean

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 yorkappcrab.monitormonitoringhorseshoe crabcitizen-based monitoringiphone

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