crab.

within 25 miles

Jan 15, 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 & WeatherBiologycoastnew hampshirephenologyeelecologysandcrabdunesurveydunescoastalwater monitoringoystermigrationmusselmonitoringgeologybeachnew englandspawningstewardshiprestorationhorseshoe crabwaterphenologicalamerican eelbeaches

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 crabtrainingfloridabeachsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentfloodclimate changehurricanephragmitestidecoastal marine ecologymarshwildfiressalt tolerant plantschanging landscapeghost forestrising seasshorelinesalt water intrusionnew yorkmarylanddying foreststorymapsomerset countyblack needle rushregenerationvirginiadying treessalt stressdroughtgroundwatersaltwatersaltwater marshblue crabstormglobal warmingsalt waterspartina patenswetlandseast coastlow elevationfloodingtree deathdelawaremullica river estuaryblackwater national refugeseawatereastern shorecedardelmarva peninsulasaltstumpcattus islandvirginia coast reservekilling treeschesapeake baysweet gumdisturbancemaritime forestsalt tolerantghosts of the coasttree stumpthe george washington universitydelaware baynorth carolinacordgrassestuarysaltwater marshesmarinesurvey123coastal ecologysalinegeorgiagedan labswampwoodforestcoastal educationtidal inundationecologycoastaltributariesnew jerseykeryn gedanriverbankchanging shorelinesapprime hook national wildlife refugesea level risesouth carolinageographymarsh migrationsoilfloridadead treessawgrassgeologypinebleached treesmid atlanticland conversion

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabpicturebeach 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 & 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 & WeatherEducationsandy beachinvertebratesmarinerocky shorestidepoolstudentsoceansand crabrockyintertidal monitoringteachersalgaerocky intertidalsandyintertidalsand crabsin oceans

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 & EnvironmentBiologyEducationchitoncitizen scienceoceanquadratseaweednew zealandintertidalmarinerocky shorecrab.limpet

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 biologymarine biologymarinefield work wildlife monitoring horseshoe crabhorseshoe crab marinewildlife 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 ScienceNature & OutdoorsEcology & EnvironmentAnimalsdungenesswashingtonappleinvasive speciesshorelinenaturalistbeach walkmarinebeachcrabmonitoringappoceanmycoastpicturescavenger huntandroidoutdoor

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 & EnvironmentBiologyAnimalsappiphonemonitoringnew yorkmonitorcitizen-based monitoringhorseshoe crabcrab.

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