crab.

within 25 miles

Mar 18, 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 & WeatherBiologyrestorationmonitoringphenologicalecologysandnew hampshirewater monitoringbeachesoysterbeachdunesnew englandcoastcoastalhorseshoe crabgeologycrabmigrationdunewatersurveyeelmusselphenologyspawningstewardshipamerican eel

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 & EnvironmentBiologyAnimalsbeachhorseshoe crabtrainingsurveyflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentrising seasphragmitesnew jerseysalt toleranttidal inundationland conversiontree stumpmid atlanticriverbankghosts of the coastdying treesnorth carolinaecologywoodcordgrassvirginiawildfirescoastal marine ecologycedarlow elevationdelmarva peninsulablack needle rushblue crabsoilcoastal educationeast coastglobal warmingwetlandstributariessomerset countydead treesstumpthe george washington universityfloridagedan labsalt tolerant plantsprime hook national wildlife refugevirginia coast reservemarsh migrationswampgeorgiachanging landscapeghost forestcattus islandkeryn gedanchesapeake baygeologysea level risesalt stressgroundwatersaltwater marshestuarysurvey123droughtclimate changemarshforestbleached treesmullica river estuarypinetree deathhurricanesapstormdisturbancesawgrasseastern shoresalt watermaritime foreststorymapsaltwater marshesdelawaretidegeographynew yorkregenerationchanging shorelinedelaware bayspartina patensmarylandseawaterdying forestsaltwatersalt water intrusionkilling treesfloodcoastal ecologysweet gumfloodingsalinecoastalshorelineblackwater national refugesouth carolinasaltmarine

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 & Environmentdelaware bayhorseshoe crabs

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 & WeatherEducationinvertebratesmarineoceanstudentssandy beachtidepoolrocky intertidalintertidal monitoringalgaein oceansteacherssand crabrockysand crabsintertidalsandyrocky 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 & EnvironmentBiologyEducationmarinechitoncrab.intertidaloceanseaweedquadratlimpetcitizen sciencerocky shorenew zealand

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 biologywildlife monitoring marinehorseshoe crab wildlife monitoringmarine horseshoe crabfield workmarine 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 ScienceNature & OutdoorsEcology & EnvironmentAnimalsscavenger huntapplenaturalistshorelinemycoastbeach walkoceanappoutdoormarinemonitoringbeachdungenessandroidpicturewashingtoncrabinvasive 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 & EnvironmentBiologyAnimalsapphorseshoe crabiphonemonitorcrab.citizen-based monitoringnew yorkmonitoring

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