crab.

within 25 miles

Dec 6, 2025

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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 & WeatherBiologydunesstewardshipphenologicalsandeelbeachesoystercrabnew hampshirespawningmusselamerican eelphenologyecologywaterwater monitoringgeologycoastrestorationdunemigrationmonitoringhorseshoe crabcoastalsurveynew englandbeach

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 & EnvironmentBiologyAnimalshorseshoe crabsurveytrainingbeachflorida

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentchesapeake baychanging landscapelow elevationprime hook national wildlife refugesalt tolerantmarshtree deathsalt tolerant plantsrising seasdelawarethe george washington universitysalt waterblue crabeast coaststormeastern shoresaltwater marsheswetlandssalt stressgeorgiacoastal ecologykeryn gedanvirginia coast reservesaltwater marshphragmitessalineecologydead treessaltwatermid atlanticdelaware baycedarsomerset countydroughtmarsh migrationcattus islandland conversioncoastal educationsoilclimate changenew jerseynorth carolinashorelinedelmarva peninsulagroundwatercoastalfloodingbleached treesdisturbancenew yorktree stumpmaritime forestmullica river estuarysurvey123regenerationfloridasalt water intrusionmarinechanging shorelinesawgrasstributariessea level risesouth carolinariverbanktideswampcoastal marine ecologyblackwater national refugespartina patenssapgedan labtidal inundationseawatervirginiaglobal warmingsaltpinecordgrassdying treesblack needle rushestuarywildfiresstumpwoodghost forestgeographyforestdying forestghosts of the coastgeologystorymapfloodhurricanekilling treessweet gummaryland

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 & WeatherEducationrockyrocky intertidalteachersrocky shoressandy beachstudentsalgaein oceanssand crabsintertidalsandysand crabtidepoolintertidal monitoringmarineinvertebratesocean

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 & EnvironmentBiologyEducationlimpetrocky shoreoceanseaweedmarineintertidalcrab.new zealandquadratcitizen sciencechiton

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 marinemarine horseshoe crab wildlife monitoringfield work marine biologymarine 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 ScienceAnimalsEcology & EnvironmentNature & Outdoorsinvasive speciesmycoastbeachbeach walkmonitoringandroidwashingtonscavenger huntshorelineoutdoorpictureoceanappnaturalistapplemarinecrabdungeness

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 & EnvironmentBiologyAnimalsiphonenew yorkmonitoringmonitorhorseshoe crabappcitizen-based monitoringcrab.

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