crab.

within 25 miles

Mar 21, 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 & WeatherBiologymonitoringecologymigrationgeologyspawningamerican eelphenologicalcoastwater monitoringcoastaloysterbeachesdunecrabphenologystewardshipnew hampshirebeachwaterdunesrestorationhorseshoe crabsandeelnew englandsurveymussel

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 & EnvironmentBiologyAnimalstrainingsurveyhorseshoe crabbeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentdying forestgeologytree stumpsaltwaterdroughtland conversionrising seastidegroundwaterthe george washington universitystumpchanging landscapephragmitestributariestree deathsaltwater marshghost foresttidal inundationeastern shoregeographydead treesmid atlanticcedardelmarva peninsulacattus islandgeorgiaseawatercordgrasscoastal ecologychesapeake bayecologyvirginia coast reservecoastal educationsurvey123climate changewetlandssalt tolerantsaltwater marshesfloridasalt waterpinedelaware baymullica river estuaryspartina patensmarshsoilblue crabregenerationchanging shorelineswampmaritime forestvirginiasweet gumsalt stressforestsouth carolinaghosts of the coastriverbankbleached treessawgrassfloodsaltstormestuarymarinesalt tolerant plantsnew yorkcoastal marine ecologywoodmarsh migrationkilling treesblack needle rushdelawarewildfiressea level risesalinefloodingsalt water intrusionblackwater national refugegedan labsapglobal warmingshorelinecoastalnorth carolinasomerset countymarylanddying treesnew jerseyhurricaneprime hook national wildlife refugekeryn gedaneast coastlow elevationstorymapdisturbance

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 & 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 & WeatherEducationteachersrocky shoresalgaerocky intertidalintertidalsand craboceanmarinesandy beachin oceansstudentsinvertebratesintertidal monitoringsand crabstidepoolrockysandy

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 & EnvironmentBiologyEducationmarinenew zealandintertidalrocky shorechitonquadratoceanseaweedcitizen sciencelimpetcrab.

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 horseshoe crabfield workmarine biologywildlife monitoringhorseshoe crab marine marine biologymarine wildlife monitoring

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 & EnvironmentAnimalsandroidinvasive specieswashingtonbeachmarinemonitoringbeach walkshorelinecrabappledungenesspictureoutdoormycoastappscavenger huntoceannaturalist

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 & EnvironmentBiologyAnimalsmonitoriphonemonitoringnew yorkcrab.appcitizen-based monitoringhorseshoe crab

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