crab.

within 25 miles

May 5, 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 & WeatherBiologyhorseshoe craboystersandphenologicalcoastalwatermonitoringmusseldunesrestorationduneamerican eelsurveystewardshipcoastecologycrabnew hampshirewater monitoringeelbeachphenologynew englandbeachesspawninggeologymigration

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 & EnvironmentBiologyAnimalsfloridahorseshoe crabsurveytrainingbeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentblue crabsoilprime hook national wildlife refugemid atlantictidal inundationclimate changefloodingdying forestlow elevationsalt tolerantgeographycoastalvirginiatree stumpcoastal educationmarylandsaltwater marshtidesalt water intrusiontributariesstormmaritime forestnew yorkgeologysalt waterdelaware baystumpwildfirescordgrasscoastal marine ecologytree deathchanging shorelinesalt stressrising seassurvey123swampland conversionkilling treesmullica river estuaryestuarymarsh migrationghost forestsomerset countyphragmitespinewoodglobal warmingsawgrasssaltecologydying treessapfloodsaltwaternew jerseygedan labstorymapcedarthe george washington universitydroughtsalt tolerant plantswetlandsforestdelmarva peninsularegenerationseawatergeorgiahurricanekeryn gedansweet gumblackwater national refugevirginia coast reservesaltwater marshescattus islandchesapeake bayriverbanknorth carolinamarineblack needle rushbleached treeseast coastcoastal ecologyghosts of the coastfloridasouth carolinasea level risesalinedead treesshorelineeastern shoredisturbancegroundwaterdelawaremarshspartina patenschanging landscape

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabbeach walkpicture

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 & WeatherEducationteachersrockystudentsoceanin oceansmarinesand crabsand crabsalgaetidepoolsandy beachintertidal monitoringrocky intertidalsandyintertidalinvertebratesrocky shores

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 & EnvironmentBiologyEducationrocky shoreintertidalseaweedlimpetoceanchitoncrab.quadratnew zealandmarinecitizen science

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 Sciencefield workhorseshoe crabwildlife monitoring marine biologymarine biology wildlife monitoringmarine marine horseshoe 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 & EnvironmentAnimalswashingtonapplescavenger huntmonitoringoutdoorcrabnaturalistinvasive speciesoceanshorelinemycoastpicturedungenessmarineandroidappbeachbeach 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 & EnvironmentBiologyAnimalsnew yorkcitizen-based monitoringcrab.apphorseshoe crabmonitormonitoringiphone

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