crab.

within 25 miles

May 22, 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 & WeatherBiologycoastalwaterphenologygeologystewardshipbeachesbeachoysterdunesmusselspawningamerican eelsandcrabmonitoringdunecoastnew englandecologyphenologicalsurveyrestorationhorseshoe crabmigrationwater monitoringeelnew 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 & EnvironmentBiologyAnimalsbeachfloridahorseshoe crabsurveytraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentgroundwaterfloodingdead treesdelmarva peninsulariverbankblack needle rushcordgrassstormtidal inundationland conversiongeorgiasomerset countysalt tolerant plantscoastalwetlandsglobal warmingvirginiaeast coastshorelinethe george washington universityprime hook national wildlife refugemullica river estuarycoastal marine ecologysalt watersouth carolinamarylandmarsh migrationtree deatheastern shoremarinenew jerseyrising seascoastal ecologybleached treesghosts of the coastmarshcattus islandsalt water intrusionfloodestuarygeographydying treesdelawaresurvey123ecologygeologycoastal educationregenerationsweet gumsaltsaltwatersaltwater marshchanging shorelinecedarsaltwater marshesspartina patenskeryn gedanmaritime forestnew yorktree stumpsalinelow elevationtideblue crabmid atlanticwildfiresclimate changechesapeake baynorth carolinasapseawatersawgrasssalt stressswampghost forestdying forestsea level risevirginia coast reserveblackwater national refugefloridawoodphragmiteschanging landscapepineforeststorymaptributariesdisturbancehurricanestumpsalt tolerantsoilgedan labdroughtdelaware baykilling trees

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabpicturebeach walk

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 & WeatherEducationteachersstudentsintertidalinvertebratestidepoolintertidal monitoringin oceanssandysandy beachalgaesand craboceanmarinerocky intertidalrocky shoressand crabsrocky

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 & EnvironmentBiologyEducationcitizen sciencerocky shoremarineintertidaloceannew zealandseaweedquadratcrab.chitonlimpet

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 biologywildlife monitoring marine horseshoe crabfield workhorseshoe crabmarinemarine 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 & EnvironmentAnimalsnaturalistshorelinemycoastinvasive speciesdungenessoceanappscavenger huntmonitoringwashingtonmarinebeachandroidapplecraboutdoorbeach walkpicture

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 monitoringiphonemonitorappmonitoringcrab.

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