crab

within 25 miles

Jul 30, 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 & WeatherBiologydunessandbeachamerican eelecologystewardshiphorseshoe crabcoastcraboysternew hampshirebeachesdunemusselmonitoringsurveywatereelspawningnew englandrestorationphenologymigrationgeologyphenologicalwater monitoringcoastal

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 crabsurveytrainingbeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsoilkeryn gedanghost forestcoastal marine ecologymaritime forestdisturbancecordgrassgroundwatersaltwatersalt waterregenerationspartina patenssomerset countymid atlanticghosts of the coastgeographysouth carolinadelawaresea level riseblack needle rushnew jerseychesapeake baysurvey123stumpdying forestmarsh migrationprime hook national wildlife refugeestuarydead treestree stumpsalt water intrusionblackwater national refugedying treescoastal ecologybleached treeslow elevationdelaware baygedan labeastern shorecedarsawgrasstree deathclimate changeshorelinetidethe george washington universitycattus islandgeologymullica river estuarysalt tolerantstormfloridaland conversionswampecologynew yorkwetlandsblue crabwildfiresforestsalinechanging landscapemarshkilling treesdroughttidal inundationsweet gumseawatervirginia coast reservecoastal educationstorymaphurricanedelmarva peninsulasaltvirginianorth carolinageorgiariverbanksaltwater marshessalt stresspinesaltwater marsheast coastfloodchanging shorelinesalt tolerant plantssapphragmitesmarylandfloodingrising seasmarinecoastalwoodtributariesglobal warming

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 & WeatherEducationintertidalstudentsoceanin oceanssandysand crabsinvertebratessand crabrocky intertidalalgaerockysandy beachintertidal monitoringrocky shoresteachersmarinetidepool

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 & EnvironmentBiologyEducationoceanlimpetcrab.marinecitizen scienceseaweedchitonnew zealandrocky shorequadratintertidal

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 marine horseshoe crabmarine biologymarinefield workhorseshoe crab wildlife monitoringwildlife 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 & EnvironmentAnimalsandroidwashingtonbeachmarinepicturenaturalistoutdoorbeach walkdungenessmonitoringappcrabinvasive speciesoceanscavenger huntmycoastshorelineapple

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 yorkiphonecitizen-based monitoringmonitorhorseshoe crabmonitoringcrab.app

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