crab.

within 25 miles

Oct 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 & WeatherBiologycoastsurveyspawningmusselstewardshipbeachesecologyhorseshoe crabmigrationbeachwater monitoringcoastalgeologyeelwaternew englanddunephenologicaloysterdunesamerican eelcrabrestorationmonitoringsandnew hampshirephenology

PEBL CIC (Plant Ecology Beyond Land)

FishSpotter

Identify UK marine species on seaweed and shellfish farm seabeds

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsspecies identificationmarineunited kingdomfish

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 crabtrainingbeachsurvey

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentnew jerseycoastal ecologywoodsalinetidemarylandthe george washington universityfloridableached treesspartina patensprime hook national wildlife refugehurricanedying forestswampclimate changetree deathcattus islandghost forestkeryn gedansalt watervirginia coast reservefloodpineregenerationsoilkilling treesstorymapsurvey123changing shorelinesea level risetributariesghosts of the coasteastern shorerising seasglobal warmingsweet gumchesapeake baydisturbancemarshcordgrasswildfiresgeorgiasomerset countynew yorkgroundwaterseawatersalt stressmarinestormphragmitesgeographygedan labdying treeslow elevationtree stumpblue crabcoastal marine ecologydelawarechanging landscapeshorelinecoastal educationtidal inundationsalt tolerantvirginiaestuarydelaware baycoastaleast coastsawgrassfloodingsouth carolinanorth carolinageologymarsh migrationwetlandssaltwater marshesforestcedarsaltwater marshdelmarva peninsulasalt water intrusionland conversionmullica river estuaryecologydroughtblack needle rushriverbanksaltdead treessapsaltwatersalt tolerant plantsmaritime forestmid atlanticstumpblackwater national refuge

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 & WeatherEducationinvertebratestidepoolsand crabssandysand crabstudentsrockyintertidal monitoringmarinein oceansoceanalgaeintertidalrocky intertidalsandy beachrocky shoresteachers

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 & EnvironmentBiologyEducationseaweedoceanrocky shorelimpetchitoncrab.citizen scienceintertidalnew zealandmarinequadrat

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 Sciencemarine biologyhorseshoe crabwildlife monitoringmarinefield work

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 & EnvironmentAnimalsinvasive speciesoutdoorcrabandroidscavenger huntmarinedungenesswashingtonoceanbeach walkapppicturenaturalistshorelineapplebeachmycoastmonitoring

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