crab.

within 25 miles

Feb 11, 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 & WeatherBiologyspawningbeachesrestorationcoasteelstewardshipsanddunesamerican eelwater monitoringbeachgeologymigrationnew hampshirephenologicalcrabecologycoastalnew englandmusselwateroysterphenologysurveymonitoringdunehorseshoe crab

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 & EnvironmentBiologyAnimalshorseshoe crabtrainingsurveyfloridabeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentshorelinenew jerseyrising seasforesteastern shoredelmarva peninsuladroughtchanging shorelineblack needle rushsouth carolinasalt tolerant plantstidal inundationwildfireslow elevationpineblue crabcordgrassdead treessawgrasssaltwaterfloodingsapglobal warmingsalt watervirginiasaltwater marshesecologymid atlanticblackwater national refugekilling treeskeryn gedanhurricaneestuarytree deathgeologysweet gumstorymapmarinesurvey123geographychanging landscapethe george washington universityvirginia coast reservesalt stresswoodcoastal ecologysalt water intrusionmaritime forestmarsh migrationcoastal marine ecologymarylandsalt tolerantland conversionstumpsalinedying forestsomerset countywetlandscedargroundwaterghosts of the coasteast coastgeorgiaghost forestsea level riseriverbankdying treesbleached treessaltdelaware baydisturbancedelawarechesapeake baynorth carolinasoilcoastal educationseawaterstormgedan labtidefloodmarshtree stumpprime hook national wildlife refugesaltwater marshclimate changeregenerationtributariesmullica river estuaryfloridaphragmitescoastalspartina patensswampnew yorkcattus island

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkpicturehorseshoe crab

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 & WeatherEducationsand crabsandy beachalgaetidepoolintertidal monitoringmarinesandyin oceansrocky intertidalrockyrocky shoresoceanstudentsintertidalteacherssand crabsinvertebrates

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 & EnvironmentBiologyEducationnew zealandcrab.marineseaweedrocky shoreoceancitizen sciencequadratlimpetintertidalchiton

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 Sciencewildlife monitoring wildlife monitoringmarine biology marine biologyfield work marinemarine horseshoe crabhorseshoe crab

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 & EnvironmentAnimalspicturemycoastshorelinenaturalistinvasive specieswashingtonmarineandroidoceancrabappappleoutdoorbeach walkmonitoringbeachscavenger huntdungeness

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.appiphonemonitoringnew yorkhorseshoe crabmonitorcitizen-based monitoring

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