crab.

within 25 miles

Feb 2, 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 & WeatherBiologygeologybeachamerican eelecologywater monitoringwaterphenologicaloysterdunemusselsurveystewardshipsandcrabphenologynew englandcoasthorseshoe crabbeachesmonitoringeelmigrationspawningnew hampshiredunescoastalrestoration

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 & EnvironmentBiologyAnimalsbeachhorseshoe crabtrainingsurveyflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentstorymapvirginiacordgrasssaltwatersaltwater marshriverbankcedarfloodingecologynew jerseybleached treesgroundwatershorelinekeryn gedandisturbancefloridarising seasgeographysoilmarsh migrationlow elevationsawgrasscattus islandwildfiressapgedan labmullica river estuaryspartina patenssalineprime hook national wildlife refugevirginia coast reserveglobal warmingblue crabsaltwater marshesblack needle rushregenerationcoastal educationsaltmarylandblackwater national refugemaritime forestsomerset countysalt stresssweet gumghosts of the coastsalt tolerant plantsswampestuarychanging shorelinegeologyeast coastwoodland conversiondelmarva peninsulafloodstormseawaternorth carolinahurricanephragmitesdying treessouth carolinachanging landscapedead treestributariesgeorgiatidal inundationtidemarshcoastalcoastal ecologydying forestsalt water intrusionmarinethe george washington universitypineforestsurvey123ghost foresttree deatheastern shoreclimate changekilling treesmid atlanticsea level risenew yorkwetlandstree stumpsalt waterchesapeake baysalt tolerantcoastal marine ecologydroughtdelaware baystumpdelaware

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 & 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 & WeatherEducationinvertebratestidepoolalgaeintertidalrockysand crabrocky intertidalstudentssandysand crabsteacherssandy beachin oceansrocky shoresmarineintertidal monitoringocean

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 & EnvironmentBiologyEducationquadratrocky shorecitizen scienceseaweedlimpetintertidalmarinenew zealandchitonoceancrab.

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 crab wildlife monitoringmarine marine biologyhorseshoe crab marinefield workwildlife monitoringmarine biology

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 & EnvironmentAnimalsinvasive speciesshorelinemarineandroidapppicturecrabnaturalistoutdoormycoastscavenger huntoceanbeach walkdungenessmonitoringbeachwashingtonapple

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 & EnvironmentBiologyAnimalsmonitoringmonitornew yorkcitizen-based monitoringcrab.horseshoe crabappiphone

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