crab.

within 25 miles

Apr 13, 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 & WeatherBiologynew hampshirestewardshipcoastmonitoringdunessurveybeacheswater monitoringwatermigrationecologycrabcoastaleelrestorationhorseshoe crabbeachphenologicalphenologyduneamerican eelsandgeologyoysterspawningmusselnew england

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 & EnvironmentBiologyAnimalsfloridatrainingsurveyhorseshoe crabbeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsalinedelmarva peninsulasawgrassclimate changenew jerseyestuarycattus islandlow elevationvirginia coast reservesea level risephragmitesdroughtwoodmid atlanticchesapeake baycordgrasstidal inundationdelawareblackwater national refugedying treeschanging shorelinesapcedarsalt tolerant plantssweet gumchanging landscapemarylandsaltwater marshessaltthe george washington universitymarsh migrationtree deathseawatersalt tolerantbleached treesghosts of the coastfloodingsoilfloodspartina patensshorelineregenerationrising seasgeorgiahurricanetidekilling treesmarinewetlandsstumptributariesdelaware baysomerset countysaltwater marshprime hook national wildlife refugemarshghost forestgeographyland conversionsalt water intrusioneast coastdying forestfloridasalt stressdead treescoastalforestglobal warmingsouth carolinacoastal marine ecologypinestormwildfirescoastal educationblack needle rushriverbanksaltwatersurvey123maritime foreststorymapecologygedan labmullica river estuaryswampkeryn gedansalt waternorth carolinaeastern shorenew yorkgroundwatertree stumpvirginiageologydisturbanceblue crabcoastal ecology

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 & WeatherEducationmarinein oceanssand crabrocky intertidalstudentsintertidal monitoringrocky shorestidepoolalgaerockyintertidaloceansandy beachinvertebratessand crabssandyteachers

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 sciencecrab.seaweednew zealandoceanmarinelimpetrocky shorequadratintertidal

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 wildlife monitoringfield work horseshoe crabmarinewildlife monitoringmarine biologyhorseshoe crab marine biology

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 & EnvironmentAnimalsmonitoringwashingtonmycoastappleshorelinenaturalistoutdoorcrabappbeach walkbeachdungenessinvasive speciesoceanandroidscavenger huntmarinepicture

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 & EnvironmentBiologyAnimalsmonitormonitoringnew yorkhorseshoe crabappcrab.citizen-based monitoringiphone

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