crab.

within 25 miles

Jan 29, 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 & WeatherBiologyspawningcoastalbeachmusseloysterstewardshipecologyhorseshoe crabdunerestorationcoastnew hampshiremonitoringbeachesmigrationphenologysandsurveyeeldunesphenologicalnew englandamerican eelcrabwaterwater monitoringgeology

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 & EnvironmentBiologyAnimalstrainingbeachhorseshoe crabfloridasurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentdisturbanceglobal warmingwoodshorelinefloridageographysalt tolerant plantsdelawaresawgrassnew yorkmid atlanticnew jerseydelmarva peninsulablack needle rushgeologysurvey123delaware baytidelow elevationtidal inundationchanging shorelinedying forestdead treestree stumpstormswampsapkilling treesspartina patenspineprime hook national wildlife refugevirginia coast reservestorymapforestsaltwater marsheast coastthe george washington universitysalt waterblackwater national refugesalt water intrusiongroundwaterchesapeake bayvirginiacattus islandcoastal educationfloodsaltwaterfloodingblue crabsweet gumhurricaneestuarynorth carolinadying treessouth carolinasoilcoastalsaltwater marsheschanging landscapecordgrassecologycoastal ecologydroughtcoastal marine ecologyrising seasbleached treesphragmitesland conversionstumpsea level risekeryn gedanmarshmarinemarylandeastern shoreseawatertributarieswetlandsghosts of the coastcedargedan labclimate changeghost forestgeorgiasalt stresswildfiresmarsh migrationriverbanksalttree deathregenerationmaritime forestsalt tolerantsalinemullica river estuarysomerset county

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturehorseshoe crabbeach 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 & WeatherEducationrocky shoresintertidalinvertebratessand crabintertidal monitoringalgaeteacherssand crabsoceanin oceansrockyrocky intertidalsandysandy beachstudentsmarinetidepool

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 shorechitonlimpetcrab.new zealandquadratintertidalseaweedoceanmarine

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 Sciencefield workhorseshoe crabmarine marine horseshoe crabmarine biology wildlife monitoring marine biologywildlife 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 & EnvironmentAnimalsnaturalistinvasive speciesmonitoringshorelinemarinebeach walkandroidscavenger huntpictureapplebeachmycoastdungenessoutdoorwashingtonappcrabocean

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 monitoringcrab.monitoriphonemonitoringnew yorkhorseshoe crabapp

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