crab.

within 25 miles

May 14, 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 & WeatherBiologybeachesmusselbeachphenologicaloystereelnew englandmonitoringdunesecologygeologyphenologysurveycoastalmigrationcrabwaterrestorationsandamerican eelhorseshoe crabnew hampshiredunecoastspawningwater monitoringstewardship

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 & EnvironmentBiologyAnimalsfloridahorseshoe crabsurveytrainingbeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentkeryn gedandelmarva peninsulamid atlanticsaltwatersalt waterswampsurvey123salt water intrusionmullica river estuarytributariesforestsoilnew yorkwoodsalt stressblack needle rushmaritime forestcoastallow elevationphragmitesthe george washington universitykilling treescoastal marine ecologysweet gummarsh migrationriverbankdead treeswildfiresnorth carolinadelawaresouth carolinatree stumpshorelinevirginia coast reservecoastal educationtidal inundationglobal warmingclimate changesea level risevirginiablackwater national refugegeorgiahurricanesapghost forestsomerset countymarylanddelaware baygedan labseawatereast coastmarshcordgrassspartina patenssalinerising seasregenerationnew jerseyestuarycoastal ecologygeologycattus islandecologychesapeake baystormgeographydisturbancemarinedroughtcedarland conversionwetlandsghosts of the coaststumpfloridasalt tolerantchanging shorelinechanging landscapestorymapfloodingpinegroundwaterdying treesbleached treesdying forestsalt tolerant plantstidesalttree deathsaltwater marshesprime hook national wildlife refugefloodblue crabeastern shoresawgrasssaltwater 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 & WeatherEducationoceansandy beachin oceanssandytidepoolteachersintertidal monitoringinvertebratesintertidalrockyrocky shoressand crabalgaerocky intertidalstudentssand crabsmarine

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 & EnvironmentBiologyEducationintertidallimpetcitizen scienceoceannew zealandcrab.rocky shoreseaweedchitonquadratmarine

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 crab marine wildlife monitoringfield workwildlife monitoringmarine biologymarine marine biologyhorseshoe 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 & EnvironmentAnimalsscavenger huntandroidbeach walkapplebeachdungenessoutdoorwashingtonshorelinenaturalistmarinecraboceanmycoastappmonitoringpictureinvasive species

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 & EnvironmentBiologyAnimalsnew yorkmonitoringhorseshoe crabiphoneappcitizen-based monitoringcrab.monitor

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