crab.

within 25 miles

Apr 22, 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 & WeatherBiologysurveystewardshipeelamerican eelbeachesecologywater monitoringphenologyphenologicalwatermonitoringmigrationnew hampshirecoastalcoastgeologyhorseshoe crabbeachrestorationmusseloysterdunesandnew englandspawningcrabdunes

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 & EnvironmentBiologyAnimalsfloridabeachsurveytraininghorseshoe crab

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentcordgrasscedardying treesnorth carolinamid atlanticthe george washington universitysouth carolinamarinewoodwildfiresregenerationsalt tolerant plantskilling treestributarieseast coastlow elevationmarylandfloodingbleached treesfloridaecologymarshsalt tolerantprime hook national wildlife refugecattus islandglobal warmingstormwetlandssoilhurricaneforestsaltwater marshespinecoastal educationchanging landscapecoastal marine ecologyspartina patensdelaware bayshorelinecoastal ecologytree deathgroundwatersaltwaterblack needle rushsurvey123new yorkmaritime foreststumpgeographynew jerseyland conversionblue crabsawgrasssalt stressvirginiasalt water intrusiondisturbancerising seasclimate changedying forestdead treescoastalblackwater national refugegeorgiasweet gumsalt watersea level risegedan labsaltsomerset countychesapeake baydelawarekeryn gedanvirginia coast reservechanging shorelinetidal inundationdroughtghosts of the coastdelmarva peninsulasalinefloodseawaterswampeastern shoreriverbankmarsh migrationmullica river estuarygeologysaltwater marshstorymapestuarytideghost foresttree stumpphragmitessap

Horseshoe crabs as homes

Discover what species live on horseshoe crabs.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkpicturehorseshoe 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 monitoringalgaeteacherssandyinvertebratesoceanmarinein oceanssand crabstudentstidepoolsand crabsrockyrocky intertidalintertidalrocky shoressandy 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 & EnvironmentBiologyEducationintertidalquadratseaweednew zealandchitonoceancitizen sciencerocky shorecrab.limpetmarine

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 Sciencehorseshoe crabmarine marine biologymarine biology horseshoe crabfield work marinewildlife monitoring 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 & EnvironmentAnimalsbeachoceanappandroidapplecrabnaturalistshorelinescavenger huntoutdoorpicturemarinemycoastbeach walkmonitoringdungenesswashingtoninvasive 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 & EnvironmentBiologyAnimalshorseshoe crabcitizen-based monitoringiphonemonitorappnew yorkmonitoringcrab.

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