crab.

within 25 miles

Feb 11, 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 & WeatherBiologynew englandmigrationbeachwater monitoringwateroystermusselphenologysurveyspawninggeologyamerican eelcrabbeachesnew hampshirecoastalecologyhorseshoe crabsandcoastdunesphenologicalstewardshipdunemonitoringrestorationeel

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 crabbeachsurveytrainingflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentmarshgeographyblue crabtree stumpwoodcoastal marine ecologygeologynorth carolinamarinestumpcattus islandchesapeake baydelmarva peninsulaphragmitesdroughtregenerationshorelinecedarsalinemarylanddying forestwetlandsnew yorkvirginiasomerset countypinemid atlanticsapsaltblackwater national refugecoastal educationforestestuarysouth carolinakilling treesprime hook national wildlife refugechanging shorelineswampfloodingtributariesbleached treesdisturbancespartina patensriverbankwildfiresland conversionfloridasoilsaltwater marshesdelawaredead treesstormgedan labclimate changesweet gumsalt water intrusionmaritime forestecologycordgrasstidedelaware baysalt tolerant plantssaltwaterfloodtree deathkeryn gedantidal inundationsalt watergroundwatersawgrassblack needle rushhurricanecoastal ecologysalt stresseast coasteastern shoreghost forestsea level risemarsh migrationnew jerseythe george washington universitychanging landscapesurvey123seawaterghosts of the coastvirginia coast reserveglobal warmingstorymapgeorgiamullica river estuarycoastalsaltwater marshlow elevationrising seassalt tolerantdying trees

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 & WeatherEducationrocky intertidalintertidalsand crabstidepoolmarineoceanrockysandy beachintertidal monitoringstudentssandyteacherssand crabin oceansinvertebratesalgaerocky 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 & EnvironmentBiologyEducationseaweedoceanlimpetintertidalcrab.new zealandcitizen sciencechitonrocky shoremarinequadrat

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 horseshoe crabfield workhorseshoe crabmarine marine marine biologymarine 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 & EnvironmentAnimalsmarinepictureshorelinebeach walkappleoutdoorbeachoceanandroidscavenger huntdungenessnaturalistmonitoringinvasive speciesmycoastcrabwashingtonapp

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 yorkappmonitoringcitizen-based monitoringhorseshoe crabcrab.iphonemonitor

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