crab.

within 25 miles

Feb 23, 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 & WeatherBiologywater monitoringphenologystewardshipmigrationcoastalsurveycoastwatergeologycraboysterdunesphenologicalecologyamerican eelbeachmonitoringeelspawningnew englanddunerestorationmusselhorseshoe crabbeachessandnew hampshire

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 & EnvironmentBiologyAnimalsfloridatrainingsurveybeachhorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsaltwater marshesghost forestsawgrassgeographycoastal ecologywetlandsstormnew jerseymaritime forestnorth carolinaeast coastcoastalblue crabsalt stressseawatergroundwaterdisturbancechanging landscapeglobal warmingdelaware bayhurricanekeryn gedanghosts of the coastriverbankdying forestprime hook national wildlife refugespartina patenssalinemarsh migrationclimate changethe george washington universitymullica river estuaryblack needle rushphragmitesmarinesaltwatersapdelawaretree stumptributariessouth carolinasaltwater marshsomerset countysalt tolerant plantseastern shoresoilchanging shorelinedelmarva peninsulatree deathfloodingcoastal marine ecologyvirginia coast reserveshorelinesalt tolerantsurvey123estuarymarylandsaltsalt water intrusionsweet gumnew yorksea level risecattus islandgeologywoodcordgrasswildfiresforestfloodtidal inundationchesapeake baycoastal educationstorymapdying treeslow elevationregenerationgeorgiastumpfloridatideblackwater national refugedead treesswampvirginialand conversionmarshdroughtecologyrising seassalt waterkilling treescedarbleached treespinemid atlanticgedan lab

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturebeach walkhorseshoe 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 & WeatherEducationteachersrocky intertidalintertidal monitoringrocky shorestidepoolsandysand crabrockystudentsintertidalalgaeoceaninvertebratesmarinesandy beachin oceanssand 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 & EnvironmentBiologyEducationcitizen sciencerocky shorelimpetquadratoceanmarinechitonnew zealandseaweedcrab.intertidal

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 wildlife monitoringhorseshoe crab marinewildlife monitoring horseshoe crab marine biologymarinemarine biologyfield work

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 & EnvironmentAnimalswashingtonmycoastoceanshorelineinvasive speciesbeachappoutdoorscavenger huntmarinebeach walkdungenessapplenaturalistmonitoringcrabandroidpicture

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.monitorhorseshoe crabiphonecitizen-based monitoringnew yorkappmonitoring

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