crab.

within 25 miles

Jun 23, 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 & WeatherBiologyrestorationspawningsurveyhorseshoe crabmigrationbeachesnew hampshiresandcoastnew englandbeachcrabphenologicalamerican eelcoastalgeologywater monitoringmonitoringdunesmusselwatereelecologyoysterphenologydunestewardship

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 & EnvironmentBiologyAnimalssurveyfloridahorseshoe crabtrainingbeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsalt waterfloridaclimate changechanging shorelinefloodinggeorgialand conversiontributariesstorymapsomerset countydying forestgeographyregenerationsalt tolerantsalt tolerant plantsdroughtspartina patensdelawareprime hook national wildlife refugesalinerising seaspinenorth carolinasaltwetlandssapriverbankcattus islandwildfiresmid atlanticwoodtree deatheast coastdisturbancetree stumptidal inundationmarsh migrationsawgrassvirginia coast reservesouth carolinacoastalsea level risethe george washington universityecologycoastal ecologydying treescoastal marine ecologygeologyeastern shoredelmarva peninsulableached treesstumpsaltwaterghost forestgedan labkilling treeskeryn gedansoilsalt stresssalt water intrusioncedarblack needle rushlow elevationestuaryblackwater national refugemarshsaltwater marshesmarinestormblue crabnew jerseyphragmitescordgrasssaltwater marshvirginiachesapeake baymullica river estuarynew yorkshorelinetidesweet gumfloodglobal warminggroundwatersurvey123delaware bayswampmaritime forestchanging landscapedead treesforestmarylandseawaterghosts of the coasthurricanecoastal education

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturehorseshoe crabbeach 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 & WeatherEducationin oceansalgaetidepoolteacherssandy beachsand crabsrocky intertidalrockysand crabrocky shoresintertidalstudentsmarinesandyintertidal monitoringoceaninvertebrates

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 & EnvironmentBiologyEducationlimpetmarineintertidalnew zealandrocky shorecrab.citizen sciencechitonseaweedquadratocean

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 Sciencehorseshoe crabmarine biology marine wildlife monitoringmarinefield workwildlife monitoring marine biology horseshoe 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 & EnvironmentAnimalscrabshorelinemycoastapplepicturebeach walkinvasive speciesnaturalistandroidbeachoceanscavenger huntoutdoormarinemonitoringwashingtonappdungeness

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 & EnvironmentBiologyAnimalsmonitoringcitizen-based monitoringappiphonehorseshoe crabnew yorkcrab.monitor

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