crab.

within 25 miles

Apr 9, 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 & WeatherBiologysandnew hampshirecrabcoastalbeachesmonitoringeelecologydunesphenologicalphenologyrestorationbeachamerican eelhorseshoe crabgeologystewardshipcoastspawningmusselsurveyoystermigrationnew englanddunewaterwater monitoring

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 crabsurveytrainingbeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentcoastal educationforeststorymapsea level risefloodingmarinephragmitesdead treesblue crabsaltwater marshsouth carolinanorth carolinadroughtstumpspartina patensdying forestsweet gumsaltwaterestuarysaltwater marshessalt tolerant plantsghost forestdying treeswildfiresrising seasprime hook national wildlife refugefloodswamppinewetlandsclimate changeglobal warmingghosts of the coasttideeast coastland conversionchesapeake bayblackwater national refugedisturbancecoastalgedan labdelawaresalt water intrusiontributariesdelaware baysalt tolerantecologysomerset countygeographybleached treescattus islandvirginiachanging landscapenew yorksalt waterdelmarva peninsulasawgrassnew jerseysalt stressmarylandstormsoiltree deathtree stumpcoastal marine ecologychanging shorelinekeryn gedanblack needle rushmullica river estuarykilling treeswoodsalinemid atlanticthe george washington universityfloridamarsh migrationeastern shorevirginia coast reservelow elevationcedarshorelinehurricanecoastal ecologygeorgiasurvey123tidal inundationseawaterregenerationsapriverbankmarshsaltgeologymaritime forestgroundwatercordgrass

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 & 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 & WeatherEducationoceanalgaesand crabsinvertebratessandy beachmarinetidepoolrockyrocky intertidalsand crabstudentsintertidalrocky shoresin oceanssandyteachersintertidal monitoring

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 & EnvironmentBiologyEducationnew zealandquadratrocky shoreintertidalmarineoceanlimpetseaweedcitizen sciencecrab.chiton

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 wildlife monitoring marine biology marine horseshoe crabmarinefield workmarine biologyhorseshoe 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 & EnvironmentAnimalsoceanappdungenesswashingtonshorelineapplemonitoringscavenger huntoutdoorbeachmycoastnaturalistcrabbeach walkpictureandroidmarineinvasive species

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.citizen-based monitoringapphorseshoe crabmonitoriphonemonitoringnew york

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