crab.

within 25 miles

Feb 4, 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 & WeatherBiologyphenologywater monitoringmonitoringcoastsurveyspawningecologyrestorationhorseshoe crabnew hampshiremigrationgeologysandeeloysterstewardshipnew englandmusseldunecrabphenologicalwatercoastalbeachdunesbeachesamerican eel

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 crabbeachfloridasurveytraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentswampnew jerseymaritime forestrising seastributarieschanging shorelinedisturbanceforestshorelinesoilhurricaneblack needle rushlow elevationghost forestcattus islandsalt tolerant plantsdead treestree stumpchesapeake baysea level riseprime hook national wildlife refugecoastal ecologywoodeast coastcedargroundwatermarsh migrationcoastalsaltwaterspartina patensbleached treeswetlandssalinesawgrassstormsaltwater marshfloodingdelaware baymullica river estuarystumpsaltsapfloridatidal inundationgeographyeastern shorekilling treesestuarysaltwater marshessouth carolinasomerset countymarshtidepinegeorgiavirginia coast reservesalt tolerantnorth carolinaregenerationsalt water intrusionchanging landscapecoastal marine ecologydelmarva peninsulaphragmitesdroughtwildfiresseawatergeologysalt waterdying treesblackwater national refugedelawaretree deathnew yorkkeryn gedancoastal educationecologymid atlanticfloodstorymapsweet gumglobal warmingmarylandsurvey123dying forestriverbankthe george washington universityclimate changemarineblue crabland conversioncordgrassghosts of the coastvirginiasalt stressgedan lab

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 & 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 & WeatherEducationmarineoceanintertidal monitoringinvertebratesrocky intertidalsandy beachsand crabrockyin oceanstidepoolrocky shoresteacherssandyintertidalstudentsalgaesand 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 & EnvironmentBiologyEducationmarineintertidalcitizen scienceseaweedquadratnew zealandcrab.limpetchitonoceanrocky shore

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 marinefield workmarine biology wildlife monitoring horseshoe crab marine biologymarinewildlife monitoringhorseshoe 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 & EnvironmentAnimalsscavenger huntinvasive speciesbeach walkmonitoringoceandungenesscraboutdoormycoastbeachmarineandroidappappleshorelinepicturewashingtonnaturalist

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 & EnvironmentBiologyAnimalshorseshoe crabcitizen-based monitoringnew yorkiphonemonitorcrab.appmonitoring

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