crab.

within 25 miles

Dec 18, 2025

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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 & WeatherBiologyoysterwaterspawningcoastecologyhorseshoe crabsurveyrestorationsandmusselphenologycrabbeachdunebeacheseelnew hampshirephenologicalmigrationwater monitoringcoastalgeologynew englandamerican eeldunesmonitoringstewardship

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 & EnvironmentBiologyAnimalssurveyfloridahorseshoe crabtrainingbeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentmarineeastern shoredead treesphragmitescattus islandecologysea level risemarsh migrationseawatercedarsalt tolerantsalt watersaltwaterwildfirespinemarylandstorymapsoildying forestforestsalineshorelinefloodcoastal educationdelaware baylow elevationvirginiasalt tolerant plantssaltwater marshtree deathsweet gumchesapeake baygeographywoodswampkilling treestributariestidal inundationhurricaneglobal warmingbleached treesgeorgiasapfloridakeryn gedanblue crabsaltwater marshescoastal ecologyghost forestcoastalsaltmid atlanticblackwater national refugenorth carolinawetlandsdroughtstormsomerset countystumpmarshgedan labchanging landscapesurvey123delmarva peninsularising seassouth carolinaland conversioncordgrasschanging shorelinenew jerseytideeast coastghosts of the coastclimate changegeologyriverbankthe george washington universitytree stumpprime hook national wildlife refugesawgrassdisturbancedelawareestuarymaritime forestvirginia coast reservesalt water intrusionspartina patensblack needle rushcoastal marine ecologygroundwaterdying treesnew yorksalt stressfloodingregenerationmullica river estuary

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 & WeatherEducationsand crabssand crabsandysandy beachrockyrocky intertidalintertidal monitoringstudentsoceanmarinealgaetidepoolinvertebratesin oceansintertidalrocky shoresteachers

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 & EnvironmentBiologyEducationquadratintertidalchitonseaweedmarinelimpetrocky shoreoceancitizen sciencenew zealandcrab.

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 biology horseshoe crabmarine biologyhorseshoe crab wildlife monitoringmarinefield workwildlife monitoring marine

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 ScienceAnimalsEcology & EnvironmentNature & Outdoorsinvasive speciesapplenaturalistscavenger huntmonitoringwashingtonmarinebeach walkandroidoceanbeachshorelineappoutdoorpicturecrabdungenessmycoast

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.iphonecitizen-based monitoringnew yorkappmonitorhorseshoe crabmonitoring

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