crab.

within 25 miles

Mar 16, 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 & WeatherBiologynew englandstewardshipeelecologybeachesrestorationsanddunesurveywatercrabmonitoringcoasthorseshoe crabdunesspawningoysteramerican eelnew hampshiremigrationwater monitoringphenologicalphenologycoastalgeologybeachmussel

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 & EnvironmentBiologyAnimalsbeachfloridasurveyhorseshoe crabtraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentgroundwaterdisturbancekilling treesestuarymarshmarinestorymapchanging shorelineblack needle rushmid atlanticdead treesvirginia coast reserveswampkeryn gedansalt tolerantsoilsaltgeographythe george washington universitycoastal educationghosts of the coaststumpsaltwaterdying forestcoastal ecologydelmarva peninsulaspartina patensecologygeologylow elevationforestsouth carolinasalt tolerant plantsseawaterstormshorelinesweet gumsaltwater marshnew yorkfloodingcedarsawgrasscoastalriverbanknorth carolinamullica river estuaryeastern shorewildfiressalt watermarsh migrationsapchesapeake bayglobal warmingghost forestprime hook national wildlife refugebleached treescoastal marine ecologyregenerationsomerset countydelawaresaltwater marsheshurricanesurvey123dying treesblackwater national refugegedan labchanging landscapecattus islandtree deathblue crabwoodtidesalinenew jerseyrising seasphragmiteswetlandssalt stressfloridadroughtland conversionfloodtributariesdelaware bayclimate changegeorgiamaritime forestmarylandeast coasttidal inundationsea level risetree stumpcordgrasspinevirginiasalt water intrusion

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 & 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 & WeatherEducationmarinetidepoolinvertebratessand crabrockysandy beachteachersintertidalsandysand crabsrocky shoresalgaein oceansoceanintertidal monitoringstudentsrocky intertidal

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 & EnvironmentBiologyEducationseaweedcitizen scienceintertidalnew zealandrocky shoremarinechitonoceancrab.quadratlimpet

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 crabwildlife monitoring wildlife monitoring marine biologyfield workhorseshoe crabmarine biologymarine marine

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 & EnvironmentAnimalsbeachappoceanmycoastoutdoormarineandroidapplenaturalistdungenessscavenger huntwashingtonshorelinecrabmonitoringpictureinvasive speciesbeach walk

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 & EnvironmentBiologyAnimalsiphonemonitorappcitizen-based monitoringhorseshoe crabnew yorkmonitoringcrab.

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