crab.

within 25 miles

Dec 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 & WeatherBiologymonitoringdunedunessandcraboystereelstewardshipphenologicalwatermusselsurveyphenologybeachesrestorationspawningnew hampshiremigrationcoastecologybeachhorseshoe crabamerican eelwater monitoringcoastalnew englandgeology

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 crabfloridatrainingsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsalt water intrusionsouth carolinamarinewoodsaltwatermarylandsalt waterriverbankeast coastwetlandstree stumpfloridaland conversioncoastal educationrising seasnew jerseyblack needle rushthe george washington universityblackwater national refugevirginialow elevationmarsh migrationcoastalfloodtributariesmarshtree deathregenerationdisturbanceswamphurricaneeastern shorephragmitesghosts of the coastghost forestcordgrassstumpdelmarva peninsulacattus islandsawgrasssalt tolerantsapgeographystormsomerset countydead treeschanging landscapegeologydroughtsea level risemid atlantickilling treeschanging shorelinecoastal marine ecologycoastal ecologyblue crabdying treessaltwater marshesbleached treeskeryn gedansurvey123new yorkprime hook national wildlife refugeshorelinevirginia coast reservesoilgedan labtidesalttidal inundationestuarywildfiresgeorgiadying forestcedarpineecologysalinegroundwaterchesapeake baymullica river estuaryfloodingsalt tolerant plantsstorymapsweet gumdelawareseawaterforestsalt stressmaritime forestspartina patensclimate changedelaware baynorth carolinasaltwater marshglobal warming

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkhorseshoe crabpicture

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 & WeatherEducationin oceanssand crabsrocky intertidalintertidalsand crabteachersstudentssandyrockysandy beachintertidal monitoringinvertebratesoceanmarinetidepoolalgaerocky 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 & EnvironmentBiologyEducationseaweedquadratintertidalcitizen sciencemarinenew zealandrocky shorelimpetcrab.chitonocean

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 crabhorseshoe crab marine biologymarinefield work marinemarine biology 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 ScienceAnimalsEcology & EnvironmentNature & Outdoorswashingtonbeach walkmycoastnaturalistmarineandroidcrabpicturebeachoutdoorshorelineappapplemonitoringoceandungenessinvasive speciesscavenger hunt

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 yorkcitizen-based monitoringmonitorappmonitoringiphonehorseshoe crabcrab.

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