crab.

within 25 miles

Dec 10, 2025

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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 & WeatherBiologyphenologicalmonitoringbeachecologyspawningmusselduneeelstewardshipphenologyamerican eelcoastcrabnew hampshiresurveymigrationwatersandoysternew englandhorseshoe crabdunesbeachesrestorationcoastalwater 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 & EnvironmentBiologyAnimalsfloridahorseshoe crabbeachtrainingsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsaltwater marshesseawatermaritime forestsalt stressrising seasshorelinestorymapphragmitesblack needle rushdead treesgeographyghost forestchanging shorelinevirginia coast reserveblackwater national refugeswampnew yorkcordgrasstidecoastal marine ecologysalt tolerant plantsspartina patenswoodsalt waterriverbanklow elevationsaltsaltwaterclimate changemarylandsea level riseeast coastsurvey123groundwatertree deathdelawaresoildelmarva peninsulaland conversionsweet gummid atlanticmullica river estuarymarshgeorgiahurricanenorth carolinaeastern shorethe george washington universitydying treesfloridasaptributariesfloodcoastal educationghosts of the coastgedan labdelaware baymarinesawgrasscattus islandgeologyblue crabchesapeake baysaltwater marshkeryn gedancoastalstumptree stumpecologysalinecedarsomerset countytidal inundationsalt tolerantglobal warmingprime hook national wildlife refugedroughtdying forestvirginiawildfireschanging landscapekilling treesregenerationforestsalt water intrusionmarsh migrationnew jerseywetlandsestuarystormsouth carolinapinecoastal ecologyfloodingdisturbancebleached trees

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 & WeatherEducationsandy beachoceanin oceansrocky intertidaltidepoolteachersstudentsintertidal monitoringinvertebratessand crabsalgaesand crabmarinesandyrockyintertidalrocky shores

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 sciencecrab.new zealandrocky shoreoceanintertidalmarinequadratchitonseaweedlimpet

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 work horseshoe crabmarinehorseshoe crab marine biologywildlife monitoring wildlife monitoringmarine biology marine

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 ScienceAnimalsEcology & EnvironmentNature & Outdoorsnaturalistwashingtonandroidinvasive speciespicturebeach walkshorelinescavenger huntdungenessoutdoormonitoringmarinebeachmycoastappappleoceancrab

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 & EnvironmentBiologyAnimalsmonitorappiphonecrab.new yorkcitizen-based monitoringhorseshoe crabmonitoring

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