crab.

within 25 miles

Nov 26, 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 & WeatherBiologyeelspawningcoastalhorseshoe crabmigrationgeologybeachdunessanddunesurveyphenologicalstewardshipamerican eelrestorationcoastbeachesmonitoringoysterecologyphenologynew englandnew hampshirecrabwater monitoringmusselwater

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 & EnvironmentBiologyAnimalsbeachsurveyfloridatraininghorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmenttributariesregenerationprime hook national wildlife refugesawgrassmaritime forestcattus islandsaltstumpwoodsurvey123saltwater marshblackwater national refugenorth carolinamarinefloodtree deathtidal inundationmullica river estuaryvirginiadelaware bayeast coastcoastal ecologydisturbancesaltwater marshesgeorgiathe george washington universitycoastal marine ecologypinenew yorkdroughtecologysalinevirginia coast reservemarsh migrationtidesalt tolerantdead treesmid atlanticswampcedarcordgrassriverbankland conversionchanging landscapekilling treescoastalblue crabfloodingshorelinewetlandskeryn gedanbleached treessaltwatersalt stressblack needle rushsea level risesalt water intrusionrising seasmarshchanging shorelinenew jerseysomerset countyfloridageologyspartina patenssalt tolerant plantssalt waterdying forestphragmitesstormsweet gumsapgeographydelawarelow elevationgedan labcoastal educationeastern shoregroundwatersoilghost forestseawaterdelmarva peninsuladying treesclimate changeestuarychesapeake baystorymapwildfiresforesthurricanesouth carolinatree stumpglobal warmingmarylandghosts of the coast

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 & WeatherEducationrockysandy beachmarinetidepoolinvertebratessandyteacherssand crabsintertidal monitoringstudentsrocky intertidalintertidalin oceanssand crabrocky shoresoceanalgae

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 & EnvironmentBiologyEducationintertidalmarinelimpetquadratoceannew zealandchitoncitizen scienceseaweedrocky shorecrab.

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 workwildlife monitoringhorseshoe crab marine biology marinemarine wildlife monitoring horseshoe crabmarine 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 ScienceAnimalsEcology & EnvironmentNature & Outdoorsmycoastscavenger huntinvasive speciesshorelinedungenessnaturalistcraboutdoorbeachapplemonitoringpictureandroidbeach walkappwashingtonmarineocean

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 & EnvironmentBiologyAnimalsnew yorkmonitoringappcrab.horseshoe crabiphonecitizen-based monitoringmonitor

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