crab.

within 25 miles

Apr 22, 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 & WeatherBiologyecologycrabhorseshoe crabbeachsandspawningmigrationsurveyphenologycoastalgeologystewardshipphenologicalwater monitoringmusselnew hampshireoysternew englandamerican eelwatereelmonitoringrestorationdunedunesbeachescoast

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 & EnvironmentBiologyAnimalstrainingsurveyhorseshoe crabbeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentmarsheast coastsaltwater marshcedarmarinesea level risetree stumpswamprising seasseawatergroundwatercoastal educationdroughtforestsurvey123disturbancefloodingeastern shorechanging shorelineghosts of the coastmid atlanticwetlandssweet gumthe george washington universitysoilsomerset countygeographylow elevationnew yorkcordgrasssalt stressstormshorelinetidecoastalriverbanktree deathwildfiresgeologysalinekeryn gedantributariesregenerationdying treeshurricaneblue crabestuarysouth carolinaecologydelmarva peninsuladying forestsaltvirginiacattus islandchesapeake baydelawarenorth carolinafloodfloridacoastal ecologymarsh migrationgedan labglobal warmingcoastal marine ecologysaltwaterstorymapnew jerseysalt tolerant plantswoodphragmitessapchanging landscapeghost forestpinetidal inundationclimate changesawgrassdead treesmullica river estuaryvirginia coast reservespartina patensmaritime forestland conversiongeorgiastumpsaltwater marshesblack needle rushkilling treesmarylanddelaware bayprime hook national wildlife refugeblackwater national refugebleached treessalt water intrusionsalt tolerantsalt water

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturehorseshoe crabbeach 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 & WeatherEducationteacherstidepoolrockyoceanin oceansrocky intertidalmarineintertidal monitoringsandyalgaeintertidalstudentssand crabsandy beachrocky shoresinvertebratessand crabs

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 & EnvironmentBiologyEducationintertidalcrab.chitonnew zealandquadratcitizen sciencemarineseaweedlimpetrocky shoreocean

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 wildlife monitoringfield workwildlife monitoringmarine horseshoe crabmarine biology marine biologyhorseshoe 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 & EnvironmentAnimalsmycoastdungenessmarinescavenger huntandroidbeachbeach walkmonitoringappinvasive speciespicturewashingtonappleshorelinenaturalistcraboceanoutdoor

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 & EnvironmentBiologyAnimalsappcrab.iphonemonitoringhorseshoe crabnew yorkcitizen-based monitoringmonitor

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