crab.

within 25 miles

Jan 13, 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 & WeatherBiologysandstewardshipamerican eelphenologicalhorseshoe crabmusselphenologyecologydunedunesbeachescrabspawningnew englandmonitoringcoastwaterbeacheelmigrationcoastalrestorationgeologynew hampshirewater monitoringsurveyoyster

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 & EnvironmentBiologyAnimalsbeachfloridasurveyhorseshoe crabtraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsalt tolerant plantsseawaterfloodingecologycedarwoodblue crabcoastalmid atlanticghosts of the coastgeographytree stumpgedan labland conversionlow elevationnorth carolinacoastal ecologymarsh migrationtributariesstorymapfloridarising seasmullica river estuarymarylandcoastal educationsaltwater marshsalt toleranthurricanetree deathvirginia coast reservesapeast coastchesapeake baywildfiresdelaware baymarshdying forestghost foreststumpdisturbancegroundwaterwetlandstidegeorgiakilling treescoastal marine ecologythe george washington universitydroughtchanging shorelineshorelinegeologysalt water intrusionchanging landscapesaltwater marshesriverbankmaritime forestsea level risesaltcattus islandsalinedelmarva peninsulasaltwaterstormsoildying treessouth carolinasawgrassestuarysalt stressswampsurvey123eastern shoresweet gumglobal warmingvirginiaregenerationsalt waterkeryn gedanblack needle rushpinedead treesblackwater national refugephragmitesprime hook national wildlife refugeclimate changecordgrassbleached treesfloodspartina patenstidal inundationdelawarenew jerseysomerset countymarinenew yorkforest

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 & WeatherEducationstudentssand crabrocky shoressandytidepooloceanin oceansmarinesandy beachalgaeinvertebratesteachersintertidal monitoringsand crabsintertidalrockyrocky 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 & EnvironmentBiologyEducationcitizen scienceoceanseaweedquadratchitonintertidalmarinelimpetcrab.new zealandrocky shore

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 biology wildlife monitoringmarine biologyfield workmarinewildlife monitoring horseshoe crabhorseshoe crab 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 ScienceNature & OutdoorsEcology & EnvironmentAnimalscrabmycoastmonitoringshorelinedungenessbeachwashingtonpicturenaturalistmarineoutdoorappleoceanandroidbeach walkappscavenger huntinvasive species

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 & EnvironmentBiologyAnimalscrab.appcitizen-based monitoringhorseshoe crabmonitoringiphonemonitornew york

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