crab.

within 25 miles

Mar 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 & WeatherBiologycoastsurveymonitoringduneduneswaterecologyamerican eelmusselwater monitoringcoastalbeachesmigrationgeologyphenologicalstewardshipnew hampshirecrabeelnew englandphenologyoysterrestorationsandhorseshoe crabspawningbeach

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 & EnvironmentBiologyAnimalsbeachsurveytrainingfloridahorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentcordgrasscattus islandsaltspartina patenssalinerising seasdead treesclimate changeestuarythe george washington universitymid atlanticforesthurricanesawgrassstumpland conversionmarylandprime hook national wildlife refugemullica river estuarynew yorkdelawareblack needle rushdelmarva peninsulaghosts of the coastsweet gumsalt stressdisturbancecoastal ecologyeast coastfloodingghost forestmarshblue crabtidestorymapregenerationriverbanksomerset countyfloridadelaware baysea level risegroundwaterpineglobal warmingstormwetlandsgeorgianorth carolinafloodcoastal marine ecologybleached treeseastern shorevirginiachesapeake bayphragmitescoastal educationwildfireslow elevationvirginia coast reserveblackwater national refugesapsalt watergeographygedan labkilling treessurvey123saltwater marshestidal inundationshorelinetributariescedargeologydroughtkeryn gedansoilchanging shorelinewoodtree stumpmarsh migrationcoastalsouth carolinadying forestsalt tolerant plantsecologychanging landscapeswamptree deathnew jerseydying treesmarinesalt tolerantmaritime forestsalt water intrusionsaltwaterseawatersaltwater marsh

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologyhorseshoe crabbeach walkpicture

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 & WeatherEducationintertidalinvertebratesalgaestudentsrocky shoressandyin oceansrocky intertidalsand craboceanteacherstidepoolintertidal monitoringrockysand crabsmarinesandy beach

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 & EnvironmentBiologyEducationseaweedoceanquadratnew zealandintertidalcitizen sciencechitonmarinelimpetcrab.rocky shore

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 Sciencefield work marine horseshoe crabwildlife monitoringhorseshoe crabmarine marine biologymarine biology 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 & EnvironmentAnimalscrabpictureappleappinvasive speciesnaturalistshorelinedungenessbeachoceanscavenger huntandroidmonitoringbeach walkoutdoormycoastwashingtonmarine

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 crabappiphonecitizen-based monitoringcrab.monitornew yorkmonitoring

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