crab.

within 25 miles

Apr 27, 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 & WeatherBiologyoysterdunedunessandnew englandecologyphenologicaleelcrabmonitoringsurveyhorseshoe crabbeachwaterbeachescoastnew hampshirewater monitoringcoastalstewardshipmigrationgeologyphenologyamerican eelrestorationspawningmussel

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 & EnvironmentBiologyAnimalsfloridatrainingbeachhorseshoe crabsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentregenerationnew yorkcordgrasschanging shorelinechesapeake baysaltwater marshmarinesurvey123floodcattus islandsalt tolerant plantssalinedelmarva peninsuladead treessawgrassmarylandeast coastdelaware baydisturbanceforestsalt waterblack needle rushsaltwatersomerset countygeographymaritime foresttree deathshorelineblue crabwildfiresspartina patenscoastal marine ecologyvirginiamarsh migrationwoodwetlandstributariesstorymapnew jerseyglobal warmingsapsouth carolinamid atlanticdying forestcedarecologyhurricanefloridaswampbleached treestree stumpprime hook national wildlife refugegeorgiastumpdroughtcoastalsalttidal inundationseawaterdying treeschanging landscapestormgroundwatercoastal ecologygeologysalt tolerantdelawarelow elevationriverbankvirginia coast reservesea level risesoilrising seastidethe george washington universitymullica river estuarynorth carolinagedan labkilling treesblackwater national refugesalt water intrusioncoastal educationghost forestestuarypineeastern shoreghosts of the coastmarshland conversionsweet gumfloodingclimate changesaltwater marshessalt stresskeryn gedanphragmites

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 & WeatherEducationsand crabintertidaloceanmarinerocky shoressandystudentsintertidal monitoringtidepoolteachersinvertebratessand crabsrockyin oceanssandy beachalgaerocky intertidal

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 & EnvironmentBiologyEducationcrab.rocky shoremarineoceanlimpetnew zealandseaweedintertidalcitizen sciencechitonquadrat

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 horseshoe crabfield workmarinehorseshoe crabwildlife monitoring marine marine biologymarine biology 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 & EnvironmentAnimalsshorelineinvasive specieswashingtonbeachoutdoorscavenger huntnaturalistappcrabapplebeach walkmarinemycoastandroidmonitoringoceanpicturedungeness

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 & EnvironmentBiologyAnimalsiphonenew yorkappmonitoringhorseshoe crabcrab.monitorcitizen-based monitoring

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