crab.

within 25 miles

May 15, 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 & WeatherBiologymonitoringstewardshipnew hampshiremigrationnew englandcrabwater monitoringcoasthorseshoe crabspawningecologyphenologywatereelbeachesamerican eelgeologydunesanddunescoastalbeachphenologicalrestorationmusseloystersurvey

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 crabsurveyfloridabeachtraining

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentchanging landscapemullica river estuarytree deathwetlandsdead treesmarylandgeorgiageographypinetidal inundationblue crabvirginiarising seaswildfiressaltwater marshnew yorkseawaterghosts of the coastthe george washington universitymaritime forestcoastal ecologyblackwater national refugesalt stressfloridachanging shorelinedisturbancegeologykeryn gedanmid atlanticmarshchesapeake baywoodfloodingdying foresttree stumpmarsh migrationcoastalbleached treescoastal educationstormspartina patensriverbanksalt tolerantgroundwatersalt waterhurricanenorth carolinaeast coastsapgedan labkilling treesshorelinedroughtcedarsurvey123sawgrassnew jerseysalt water intrusionsaltwatersaltwater marshesclimate changesouth carolinasea level risecoastal marine ecologylow elevationvirginia coast reserveprime hook national wildlife refugephragmitesfloodcordgrasssaltforestsalinesweet gumsomerset countymarinesalt tolerant plantsswampghost forestland conversiondelmarva peninsulacattus islandestuaryecologydelaware baytidesoildying treesstumpeastern shoreblack needle rushdelawarestorymapglobal warmingregenerationtributaries

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkpicturehorseshoe 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 & 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 & WeatherEducationrocky shoresinvertebratessandy beachteachersmarinealgaesand crabstudentsrockyintertidal monitoringoceanin oceanssandytidepoolrocky intertidalsand crabsintertidal

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 sciencequadratmarineintertidalrocky shoreoceanseaweednew zealandchitonlimpetcrab.

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 Sciencewildlife monitoring horseshoe crabhorseshoe crabfield work wildlife monitoring marine marine biologymarinemarine 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 & EnvironmentAnimalsshorelineappbeach walkdungenessoutdoormycoastcrabscavenger huntmarinebeachmonitoringoceanandroidappleinvasive specieswashingtonpicturenaturalist

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 & EnvironmentBiologyAnimalsapphorseshoe crabmonitorcitizen-based monitoringiphonecrab.new yorkmonitoring

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