crab.

within 25 miles

Apr 5, 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 & WeatherBiologycoastalwater monitoringstewardshipmusselspawningamerican eeldunesandphenologyphenologicalmigrationnew englandbeachesbeachoysterwatereelecologyhorseshoe crabdunesnew hampshiresurveycrabcoastmonitoringgeologyrestoration

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 & Environmentsaltwaterbleached treeseastern shoresurvey123saltwater marshchanging shorelinecattus islandsea level riselow elevationshorelinewetlandssalt water intrusionmarshmaritime forestfloodtree stumpmarylandfloodingtidal inundationwoodvirginiatideswampland conversiontributariessouth carolinasalinesweet gumprime hook national wildlife refugenew yorkcordgrasscedarkeryn gedanblackwater national refugedead treesfloridadelmarva peninsulasomerset countyeast coaststormblack needle rushforestghost forestcoastal ecologygroundwatersalt tolerant plantsgeologytree deathseawaterdying treesdying forestspartina patensestuarydelaware baymarineclimate changenorth carolinamid atlanticphragmitessaltvirginia coast reservecoastal educationsappinedroughtsaltwater marsheskilling treesdelawaresalt toleranthurricanegeographyecologychanging landscapemullica river estuarysalt stressghosts of the coastblue crabglobal warminggeorgiachesapeake baystumpthe george washington universityriverbanksoilsawgrassgedan labcoastaldisturbancemarsh migrationnew jerseyregenerationwildfirescoastal marine ecologystorymapsalt waterrising seas

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 & Environmentdelaware bayhorseshoe crabs

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 & WeatherEducationsand crabsandymarinesand crabsinvertebratesrocky shoresteacherssandy beachintertidaltidepoolrockystudentsalgaeoceanrocky intertidalintertidal monitoringin oceans

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 & EnvironmentBiologyEducationchitoncitizen scienceintertidalseaweedquadratnew zealandcrab.oceanmarinerocky shorelimpet

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 marine biology horseshoe crab marinemarinefield work wildlife monitoringmarine biologywildlife monitoringhorseshoe 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 & EnvironmentAnimalswashingtonmonitoringscavenger huntoutdoorbeach walkoceanshorelineappleandroidbeachpicturenaturalistmarinecrabinvasive speciesdungenessmycoastapp

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 & EnvironmentBiologyAnimalsmonitoringcrab.iphonehorseshoe crabmonitorappnew yorkcitizen-based monitoring

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