crab

within 25 miles

Oct 28, 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 & WeatherBiologygeologycoastbeachesecologymigrationdunestewardshipdunessurveyphenologysandnew hampshirewater monitoringwaterphenologicalnew englandspawninghorseshoe crabamerican eelcoastaleelcrabmonitoringoysterbeachmusselrestoration

PEBL CIC (Plant Ecology Beyond Land)

FishSpotter

Identify UK marine species on seaweed and shellfish farm seabeds

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsunited kingdomfishspecies identificationmarine

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 crabsurveytrainingfloridabeach

Ghosts of the Coast

Document the formation of ghost forests.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineEducationEcology & Environmentsalt stresschanging landscapesweet gumvirginiaphragmitescoastal marine ecologynew jerseytree stumpstumptributariestree deathghost foresttidal inundationkilling treesclimate changestorymapgedan labcoastal educationdead treesdying treessalt water intrusionsalt tolerantpinesawgrassblackwater national refugesapsaltwater marshessouth carolinasalineseawaterswampeastern shoreglobal warmingmarshblack needle rushmarsh migrationdisturbancemarylandsomerset countyfloodingsaltwaterdelaware baygeologychesapeake bayestuarystormshorelineprime hook national wildlife refugechanging shorelineland conversionforestcoastal ecologybleached treeswildfiresfloodsurvey123hurricanesea level riserising seascordgrasscoastalmarineriverbankmullica river estuarydying forestgeographymaritime forestdroughtkeryn gedanlow elevationsoildelmarva peninsulasaltsaltwater marshdelawarespartina patensvirginia coast reservethe george washington universitycedarecologycattus islandnew yorkblue crabtidewoodwetlandssalt waterfloridaghosts of the coasteast coastgeorgiamid atlanticregenerationnorth carolinagroundwatersalt tolerant plants

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 & WeatherEducationstudentsalgaein oceansintertidal monitoringsand crabsoceantidepoolteachersinvertebratessand crabmarinesandy beachrocky shoresrockyintertidalsandyrocky intertidal

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 & EnvironmentBiologyEducationcitizen sciencelimpetchitonintertidalmarineseaweedquadratcrab.new zealandoceanrocky shore

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 biologyfield workmarinehorseshoe crabwildlife 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 & EnvironmentAnimalspictureoutdoormonitoringbeach walkshorelineappledungenessmycoastbeachwashingtonmarinecraboceanappnaturalistandroidscavenger huntinvasive species

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