crab.

within 25 miles

Feb 25, 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 & WeatherBiologycoastaldunescrabgeologymonitoringeelhorseshoe crabnew englandbeachescoastmigrationecologybeachphenologyspawningphenologicalamerican eeloysterrestorationnew hampshiredunemusselsurveystewardshipwater monitoringwatersand

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 & EnvironmentBiologyAnimalsbeachfloridatrainingsurveyhorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentmarshhurricaneghost forestmullica river estuarygeorgiasalinefloridacordgrasschesapeake baykeryn gedangeologyestuarydelaware bayrising seasdelmarva peninsulageographychanging landscapesalt water intrusionprime hook national wildlife refugebleached treescoastal marine ecologygroundwaterphragmitescattus islandsaltregenerationvirginia coast reserveclimate changesaltwater marshesriverbankmarsh migrationchanging shorelineseawatersurvey123mid atlanticfloodstormmarylanddying treesmaritime forestnew yorkmarinesalt watercoastal educationnorth carolinacoastalsaltwatertributariesdisturbancedying forestgedan labkilling treeswetlandssaptideshorelinetree deathdroughtthe george washington universitystumpcedarlow elevationsalt tolerant plantswildfiresforestblue crabstorymapsalt stressswampeastern shoresawgrassvirginialand conversionpinedelawaredead treestidal inundationsweet gumfloodingsea level risespartina patensglobal warmingsalt tolerantsomerset countyblackwater national refugenew jerseysouth carolinaeast coastwoodblack needle rushcoastal ecologytree stumpsoilghosts of the coastsaltwater marshecology

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 & WeatherEducationinvertebratesintertidalsandy beachalgaesandyoceanstudentsteacherssand crabsin oceansmarineintertidal monitoringtidepoolrocky shoresrockyrocky intertidalsand crab

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 & EnvironmentBiologyEducationquadratcitizen sciencenew zealandchitonoceancrab.seaweedrocky shorelimpetintertidalmarine

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 monitoringhorseshoe crab wildlife monitoringmarinemarine biology marine biology horseshoe crab marinefield work

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 & EnvironmentAnimalsbeachmonitoringinvasive speciesmycoastpicturenaturalistoutdoorbeach walkcrabandroidshorelinedungenessmarinewashingtonoceanappleappscavenger hunt

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 & EnvironmentBiologyAnimalshorseshoe crabmonitoringiphonenew yorkmonitorcitizen-based monitoringcrab.app

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