crab.

within 25 miles

Mar 31, 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 & WeatherBiologyhorseshoe crabwater monitoringphenologicalbeachesmusselgeologycoastalphenologyoystereelsurveydunesstewardshipecologynew englandrestorationsandcrabspawningamerican eelbeachmonitoringcoastwaterdunenew hampshiremigration

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 & EnvironmentBiologyAnimalssurveyhorseshoe crabtrainingfloridabeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentwoodwetlandsgeologydelmarva peninsulastormfloodingblackwater national refugesalt water intrusionhurricanemarinetidal inundationsaltwater marshgeorgiaeastern shorethe george washington universitydead treessapdroughtsalt stresspinevirginia coast reserveblue crabsomerset countyecologychanging shorelinefloridasweet gumsurvey123soilsaltwater marshestidetree deathcoastal marine ecologykeryn gedannew yorkmid atlanticsalt waterdelaware baymullica river estuarynew jerseydying foreststorymapdelawarewildfiresfloodmarshghost forestcattus islandclimate changecoastal ecologymaritime forestsea level risesalt tolerantcoastalshorelinesouth carolinaswampphragmitescedarrising seaschesapeake baykilling treeslow elevationspartina patensestuaryghosts of the coastforestseawatertree stumpdying treesdisturbancestumptributariessalinenorth carolinasaltwaterblack needle rushglobal warmingmarylandgeographyeast coastvirginiariverbankland conversioncoastal educationcordgrasschanging landscapegroundwatergedan labprime hook national wildlife refugemarsh migrationsaltsalt tolerant plantsbleached treesregenerationsawgrass

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturebeach walkhorseshoe 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 & 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 & WeatherEducationintertidal monitoringmarineoceantidepoolin oceansintertidalstudentssand crabsandy beachalgaesandyteachersinvertebratesrockyrocky intertidalrocky shoressand crabs

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 sciencelimpetintertidalnew zealandcrab.rocky shorequadratseaweedoceanmarine

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 crabwildlife monitoring marine wildlife monitoringfield workmarine biology marine biologymarinehorseshoe 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 & EnvironmentAnimalsbeach walknaturalistappinvasive speciesandroiddungenessoceanoutdoormonitoringcrabwashingtonscavenger huntmarineshorelineapplemycoastbeachpicture

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 crabiphoneappnew yorkcitizen-based monitoringmonitormonitoringcrab.

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